Home / 252,295.50-378,333.38-72,341.22

Finding the Fourth Proportional to 252,295.50, 378,333.38 and 72,341.22

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Solution

The fourth proportional to 252,295.50, 378,333.38 and 72,341.22 is: 108,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,295.50 : 378,333.38 = 72,341.22 : x
  2. Step 2: Convert to fraction form
    252,295.50/378,333.38 = 72,341.22/x
  3. Step 3: Cross multiply
    252,295.50x = 378,333.38 × 72,341.22
  4. Step 4: Simplify right side
    252,295.50x = 27,369,098,275.92
  5. Step 5: Solve for x
    x = 27,369,098,275.92/252,295.50
  6. Step 6: Final answer
    x = 108,480.33

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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.