Home / 116,600.20-160,908.96-65,613.78

Finding the Fourth Proportional to 116,600.20, 160,908.96 and 65,613.78

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Solution

The fourth proportional to 116,600.20, 160,908.96 and 65,613.78 is: 90,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,600.20 : 160,908.96 = 65,613.78 : x
  2. Step 2: Convert to fraction form
    116,600.20/160,908.96 = 65,613.78/x
  3. Step 3: Cross multiply
    116,600.20x = 160,908.96 × 65,613.78
  4. Step 4: Simplify right side
    116,600.20x = 10,557,845,101.47
  5. Step 5: Solve for x
    x = 10,557,845,101.47/116,600.20
  6. Step 6: Final answer
    x = 90,547.40

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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.