Home / 123,499.58-185,265.07-39,229.68

Finding the Fourth Proportional to 123,499.58, 185,265.07 and 39,229.68

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Solution

The fourth proportional to 123,499.58, 185,265.07 and 39,229.68 is: 58,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,499.58 : 185,265.07 = 39,229.68 : x
  2. Step 2: Convert to fraction form
    123,499.58/185,265.07 = 39,229.68/x
  3. Step 3: Cross multiply
    123,499.58x = 185,265.07 × 39,229.68
  4. Step 4: Simplify right side
    123,499.58x = 7,267,889,411.28
  5. Step 5: Solve for x
    x = 7,267,889,411.28/123,499.58
  6. Step 6: Final answer
    x = 58,849.51

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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.