Home / 372,880.38-514,572.30-203,114.51

Finding the Fourth Proportional to 372,880.38, 514,572.30 and 203,114.51

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Solution

The fourth proportional to 372,880.38, 514,572.30 and 203,114.51 is: 280,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,880.38 : 514,572.30 = 203,114.51 : x
  2. Step 2: Convert to fraction form
    372,880.38/514,572.30 = 203,114.51/x
  3. Step 3: Cross multiply
    372,880.38x = 514,572.30 × 203,114.51
  4. Step 4: Simplify right side
    372,880.38x = 104,517,098,001.21
  5. Step 5: Solve for x
    x = 104,517,098,001.21/372,880.38
  6. Step 6: Final answer
    x = 280,296.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.