Home / 156,564.32-216,171.10-96,215.88

Finding the Fourth Proportional to 156,564.32, 216,171.10 and 96,215.88

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Solution

The fourth proportional to 156,564.32, 216,171.10 and 96,215.88 is: 132,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,564.32 : 216,171.10 = 96,215.88 : x
  2. Step 2: Convert to fraction form
    156,564.32/216,171.10 = 96,215.88/x
  3. Step 3: Cross multiply
    156,564.32x = 216,171.10 × 96,215.88
  4. Step 4: Simplify right side
    156,564.32x = 20,799,092,617.07
  5. Step 5: Solve for x
    x = 20,799,092,617.07/156,564.32
  6. Step 6: Final answer
    x = 132,846.95

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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.