Home / 117,432.18-162,134.46-69,700.91

Finding the Fourth Proportional to 117,432.18, 162,134.46 and 69,700.91

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Solution

The fourth proportional to 117,432.18, 162,134.46 and 69,700.91 is: 96,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,432.18 : 162,134.46 = 69,700.91 : x
  2. Step 2: Convert to fraction form
    117,432.18/162,134.46 = 69,700.91/x
  3. Step 3: Cross multiply
    117,432.18x = 162,134.46 × 69,700.91
  4. Step 4: Simplify right side
    117,432.18x = 11,300,918,593.69
  5. Step 5: Solve for x
    x = 11,300,918,593.69/117,432.18
  6. Step 6: Final answer
    x = 96,233.58

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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.