Home / 116,543.11-160,691.93-79,767.07

Finding the Fourth Proportional to 116,543.11, 160,691.93 and 79,767.07

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Solution

The fourth proportional to 116,543.11, 160,691.93 and 79,767.07 is: 109,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,543.11 : 160,691.93 = 79,767.07 : x
  2. Step 2: Convert to fraction form
    116,543.11/160,691.93 = 79,767.07/x
  3. Step 3: Cross multiply
    116,543.11x = 160,691.93 × 79,767.07
  4. Step 4: Simplify right side
    116,543.11x = 12,817,924,428.75
  5. Step 5: Solve for x
    x = 12,817,924,428.75/116,543.11
  6. Step 6: Final answer
    x = 109,984.40

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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.