Home / 174,426.80-261,640.20-172,583.60

Finding the Fourth Proportional to 174,426.80, 261,640.20 and 172,583.60

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Solution

The fourth proportional to 174,426.80, 261,640.20 and 172,583.60 is: 258,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,426.80 : 261,640.20 = 172,583.60 : x
  2. Step 2: Convert to fraction form
    174,426.80/261,640.20 = 172,583.60/x
  3. Step 3: Cross multiply
    174,426.80x = 261,640.20 × 172,583.60
  4. Step 4: Simplify right side
    174,426.80x = 45,154,807,620.72
  5. Step 5: Solve for x
    x = 45,154,807,620.72/174,426.80
  6. Step 6: Final answer
    x = 258,875.40

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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.