Home / 111,000.12-153,177.05-60,698.04

Finding the Fourth Proportional to 111,000.12, 153,177.05 and 60,698.04

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Solution

The fourth proportional to 111,000.12, 153,177.05 and 60,698.04 is: 83,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,000.12 : 153,177.05 = 60,698.04 : x
  2. Step 2: Convert to fraction form
    111,000.12/153,177.05 = 60,698.04/x
  3. Step 3: Cross multiply
    111,000.12x = 153,177.05 × 60,698.04
  4. Step 4: Simplify right side
    111,000.12x = 9,297,545,638.61
  5. Step 5: Solve for x
    x = 9,297,545,638.61/111,000.12
  6. Step 6: Final answer
    x = 83,761.59

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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.