Home / 111,179.06-153,425.58-60,878.06

Finding the Fourth Proportional to 111,179.06, 153,425.58 and 60,878.06

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Solution

The fourth proportional to 111,179.06, 153,425.58 and 60,878.06 is: 84,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,179.06 : 153,425.58 = 60,878.06 : x
  2. Step 2: Convert to fraction form
    111,179.06/153,425.58 = 60,878.06/x
  3. Step 3: Cross multiply
    111,179.06x = 153,425.58 × 60,878.06
  4. Step 4: Simplify right side
    111,179.06x = 9,340,251,664.77
  5. Step 5: Solve for x
    x = 9,340,251,664.77/111,179.06
  6. Step 6: Final answer
    x = 84,010.89

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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.