Home / 123,330.96-185,001.60-39,089.28

Finding the Fourth Proportional to 123,330.96, 185,001.60 and 39,089.28

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Solution

The fourth proportional to 123,330.96, 185,001.60 and 39,089.28 is: 58,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,330.96 : 185,001.60 = 39,089.28 : x
  2. Step 2: Convert to fraction form
    123,330.96/185,001.60 = 39,089.28/x
  3. Step 3: Cross multiply
    123,330.96x = 185,001.60 × 39,089.28
  4. Step 4: Simplify right side
    123,330.96x = 7,231,579,342.85
  5. Step 5: Solve for x
    x = 7,231,579,342.85/123,330.96
  6. Step 6: Final answer
    x = 58,635.56

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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.