Home / 147,613.14-203,647.50-90,926.10

Finding the Fourth Proportional to 147,613.14, 203,647.50 and 90,926.10

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Solution

The fourth proportional to 147,613.14, 203,647.50 and 90,926.10 is: 125,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,613.14 : 203,647.50 = 90,926.10 : x
  2. Step 2: Convert to fraction form
    147,613.14/203,647.50 = 90,926.10/x
  3. Step 3: Cross multiply
    147,613.14x = 203,647.50 × 90,926.10
  4. Step 4: Simplify right side
    147,613.14x = 18,516,872,949.75
  5. Step 5: Solve for x
    x = 18,516,872,949.75/147,613.14
  6. Step 6: Final answer
    x = 125,441.90

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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.