Home / 123,631.04-185,478.96-53,493.92

Finding the Fourth Proportional to 123,631.04, 185,478.96 and 53,493.92

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Solution

The fourth proportional to 123,631.04, 185,478.96 and 53,493.92 is: 80,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,631.04 : 185,478.96 = 53,493.92 : x
  2. Step 2: Convert to fraction form
    123,631.04/185,478.96 = 53,493.92/x
  3. Step 3: Cross multiply
    123,631.04x = 185,478.96 × 53,493.92
  4. Step 4: Simplify right side
    123,631.04x = 9,921,996,647.92
  5. Step 5: Solve for x
    x = 9,921,996,647.92/123,631.04
  6. Step 6: Final answer
    x = 80,254.90

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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.