Home / 215,572.59-323,333.37-57,812.13

Finding the Fourth Proportional to 215,572.59, 323,333.37 and 57,812.13

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Solution

The fourth proportional to 215,572.59, 323,333.37 and 57,812.13 is: 86,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,572.59 : 323,333.37 = 57,812.13 : x
  2. Step 2: Convert to fraction form
    215,572.59/323,333.37 = 57,812.13/x
  3. Step 3: Cross multiply
    215,572.59x = 323,333.37 × 57,812.13
  4. Step 4: Simplify right side
    215,572.59x = 18,692,590,819.78
  5. Step 5: Solve for x
    x = 18,692,590,819.78/215,572.59
  6. Step 6: Final answer
    x = 86,711.35

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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.