Home / 111,118.17-153,343.48-60,130.89

Finding the Fourth Proportional to 111,118.17, 153,343.48 and 60,130.89

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Solution

The fourth proportional to 111,118.17, 153,343.48 and 60,130.89 is: 82,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,118.17 : 153,343.48 = 60,130.89 : x
  2. Step 2: Convert to fraction form
    111,118.17/153,343.48 = 60,130.89/x
  3. Step 3: Cross multiply
    111,118.17x = 153,343.48 × 60,130.89
  4. Step 4: Simplify right side
    111,118.17x = 9,220,680,010.80
  5. Step 5: Solve for x
    x = 9,220,680,010.80/111,118.17
  6. Step 6: Final answer
    x = 82,980.85

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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.