Home / 118,807.13-178,211.06-30,060.62

Finding the Fourth Proportional to 118,807.13, 178,211.06 and 30,060.62

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Solution

The fourth proportional to 118,807.13, 178,211.06 and 30,060.62 is: 45,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,807.13 : 178,211.06 = 30,060.62 : x
  2. Step 2: Convert to fraction form
    118,807.13/178,211.06 = 30,060.62/x
  3. Step 3: Cross multiply
    118,807.13x = 178,211.06 × 30,060.62
  4. Step 4: Simplify right side
    118,807.13x = 5,357,134,778.66
  5. Step 5: Solve for x
    x = 5,357,134,778.66/118,807.13
  6. Step 6: Final answer
    x = 45,091.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.