Home / 119,189.50-178,781.48-60,009.28

Finding the Fourth Proportional to 119,189.50, 178,781.48 and 60,009.28

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Solution

The fourth proportional to 119,189.50, 178,781.48 and 60,009.28 is: 90,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,189.50 : 178,781.48 = 60,009.28 : x
  2. Step 2: Convert to fraction form
    119,189.50/178,781.48 = 60,009.28/x
  3. Step 3: Cross multiply
    119,189.50x = 178,781.48 × 60,009.28
  4. Step 4: Simplify right side
    119,189.50x = 10,728,547,892.13
  5. Step 5: Solve for x
    x = 10,728,547,892.13/119,189.50
  6. Step 6: Final answer
    x = 90,012.53

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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.