Home / 460,162.20-690,266.70-144,622.20

Finding the Fourth Proportional to 460,162.20, 690,266.70 and 144,622.20

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Solution

The fourth proportional to 460,162.20, 690,266.70 and 144,622.20 is: 216,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,162.20 : 690,266.70 = 144,622.20 : x
  2. Step 2: Convert to fraction form
    460,162.20/690,266.70 = 144,622.20/x
  3. Step 3: Cross multiply
    460,162.20x = 690,266.70 × 144,622.20
  4. Step 4: Simplify right side
    460,162.20x = 99,827,888,740.74
  5. Step 5: Solve for x
    x = 99,827,888,740.74/460,162.20
  6. Step 6: Final answer
    x = 216,940.65

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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.