Home / 156,977.83-216,624.86-89,001.11

Finding the Fourth Proportional to 156,977.83, 216,624.86 and 89,001.11

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Solution

The fourth proportional to 156,977.83, 216,624.86 and 89,001.11 is: 122,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,977.83 : 216,624.86 = 89,001.11 : x
  2. Step 2: Convert to fraction form
    156,977.83/216,624.86 = 89,001.11/x
  3. Step 3: Cross multiply
    156,977.83x = 216,624.86 × 89,001.11
  4. Step 4: Simplify right side
    156,977.83x = 19,279,852,993.59
  5. Step 5: Solve for x
    x = 19,279,852,993.59/156,977.83
  6. Step 6: Final answer
    x = 122,818.95

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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.