Home / 113,152.27-156,022.14-72,262.66

Finding the Fourth Proportional to 113,152.27, 156,022.14 and 72,262.66

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Solution

The fourth proportional to 113,152.27, 156,022.14 and 72,262.66 is: 99,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,152.27 : 156,022.14 = 72,262.66 : x
  2. Step 2: Convert to fraction form
    113,152.27/156,022.14 = 72,262.66/x
  3. Step 3: Cross multiply
    113,152.27x = 156,022.14 × 72,262.66
  4. Step 4: Simplify right side
    113,152.27x = 11,274,574,855.29
  5. Step 5: Solve for x
    x = 11,274,574,855.29/113,152.27
  6. Step 6: Final answer
    x = 99,640.73

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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.