Home / 113,740.81-156,930.82-73,456.27

Finding the Fourth Proportional to 113,740.81, 156,930.82 and 73,456.27

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Solution

The fourth proportional to 113,740.81, 156,930.82 and 73,456.27 is: 101,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,740.81 : 156,930.82 = 73,456.27 : x
  2. Step 2: Convert to fraction form
    113,740.81/156,930.82 = 73,456.27/x
  3. Step 3: Cross multiply
    113,740.81x = 156,930.82 × 73,456.27
  4. Step 4: Simplify right side
    113,740.81x = 11,527,552,685.24
  5. Step 5: Solve for x
    x = 11,527,552,685.24/113,740.81
  6. Step 6: Final answer
    x = 101,349.31

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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.