Home / 110,613.03-152,610.18-65,306.28

Finding the Fourth Proportional to 110,613.03, 152,610.18 and 65,306.28

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Solution

The fourth proportional to 110,613.03, 152,610.18 and 65,306.28 is: 90,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,613.03 : 152,610.18 = 65,306.28 : x
  2. Step 2: Convert to fraction form
    110,613.03/152,610.18 = 65,306.28/x
  3. Step 3: Cross multiply
    110,613.03x = 152,610.18 × 65,306.28
  4. Step 4: Simplify right side
    110,613.03x = 9,966,403,473.32
  5. Step 5: Solve for x
    x = 9,966,403,473.32/110,613.03
  6. Step 6: Final answer
    x = 90,101.54

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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.