Home / 460,619.80-690,929.70-161,000.80

Finding the Fourth Proportional to 460,619.80, 690,929.70 and 161,000.80

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Solution

The fourth proportional to 460,619.80, 690,929.70 and 161,000.80 is: 241,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,619.80 : 690,929.70 = 161,000.80 : x
  2. Step 2: Convert to fraction form
    460,619.80/690,929.70 = 161,000.80/x
  3. Step 3: Cross multiply
    460,619.80x = 690,929.70 × 161,000.80
  4. Step 4: Simplify right side
    460,619.80x = 111,240,234,443.76
  5. Step 5: Solve for x
    x = 111,240,234,443.76/460,619.80
  6. Step 6: Final answer
    x = 241,501.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.