Home / 124,436.26-186,536.16-79,331.02

Finding the Fourth Proportional to 124,436.26, 186,536.16 and 79,331.02

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Solution

The fourth proportional to 124,436.26, 186,536.16 and 79,331.02 is: 118,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,436.26 : 186,536.16 = 79,331.02 : x
  2. Step 2: Convert to fraction form
    124,436.26/186,536.16 = 79,331.02/x
  3. Step 3: Cross multiply
    124,436.26x = 186,536.16 × 79,331.02
  4. Step 4: Simplify right side
    124,436.26x = 14,798,103,839.68
  5. Step 5: Solve for x
    x = 14,798,103,839.68/124,436.26
  6. Step 6: Final answer
    x = 118,921.16

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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.