Home / 123,656.49-185,499.45-39,387.06

Finding the Fourth Proportional to 123,656.49, 185,499.45 and 39,387.06

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Solution

The fourth proportional to 123,656.49, 185,499.45 and 39,387.06 is: 59,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,656.49 : 185,499.45 = 39,387.06 : x
  2. Step 2: Convert to fraction form
    123,656.49/185,499.45 = 39,387.06/x
  3. Step 3: Cross multiply
    123,656.49x = 185,499.45 × 39,387.06
  4. Step 4: Simplify right side
    123,656.49x = 7,306,277,967.12
  5. Step 5: Solve for x
    x = 7,306,277,967.12/123,656.49
  6. Step 6: Final answer
    x = 59,085.28

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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.