Home / 119,189.52-178,781.48-60,009.30

Finding the Fourth Proportional to 119,189.52, 178,781.48 and 60,009.30

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Solution

The fourth proportional to 119,189.52, 178,781.48 and 60,009.30 is: 90,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,189.52 : 178,781.48 = 60,009.30 : x
  2. Step 2: Convert to fraction form
    119,189.52/178,781.48 = 60,009.30/x
  3. Step 3: Cross multiply
    119,189.52x = 178,781.48 × 60,009.30
  4. Step 4: Simplify right side
    119,189.52x = 10,728,551,467.76
  5. Step 5: Solve for x
    x = 10,728,551,467.76/119,189.52
  6. Step 6: Final answer
    x = 90,012.54

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1.5x scale

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.