Home / 116,633.07-161,031.11-89,728.11

Finding the Fourth Proportional to 116,633.07, 161,031.11 and 89,728.11

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Solution

The fourth proportional to 116,633.07, 161,031.11 and 89,728.11 is: 123,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,633.07 : 161,031.11 = 89,728.11 : x
  2. Step 2: Convert to fraction form
    116,633.07/161,031.11 = 89,728.11/x
  3. Step 3: Cross multiply
    116,633.07x = 161,031.11 × 89,728.11
  4. Step 4: Simplify right side
    116,633.07x = 14,449,016,702.86
  5. Step 5: Solve for x
    x = 14,449,016,702.86/116,633.07
  6. Step 6: Final answer
    x = 123,884.39

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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.