Home / 193,545.60-290,462.40-100,003.20

Finding the Fourth Proportional to 193,545.60, 290,462.40 and 100,003.20

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Solution

The fourth proportional to 193,545.60, 290,462.40 and 100,003.20 is: 150,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,545.60 : 290,462.40 = 100,003.20 : x
  2. Step 2: Convert to fraction form
    193,545.60/290,462.40 = 100,003.20/x
  3. Step 3: Cross multiply
    193,545.60x = 290,462.40 × 100,003.20
  4. Step 4: Simplify right side
    193,545.60x = 29,047,169,479.68
  5. Step 5: Solve for x
    x = 29,047,169,479.68/193,545.60
  6. Step 6: Final answer
    x = 150,079.20

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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.