Home / 117,142.39-175,724.40-38,257.03

Finding the Fourth Proportional to 117,142.39, 175,724.40 and 38,257.03

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Solution

The fourth proportional to 117,142.39, 175,724.40 and 38,257.03 is: 57,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,142.39 : 175,724.40 = 38,257.03 : x
  2. Step 2: Convert to fraction form
    117,142.39/175,724.40 = 38,257.03/x
  3. Step 3: Cross multiply
    117,142.39x = 175,724.40 × 38,257.03
  4. Step 4: Simplify right side
    117,142.39x = 6,722,693,642.53
  5. Step 5: Solve for x
    x = 6,722,693,642.53/117,142.39
  6. Step 6: Final answer
    x = 57,389.08

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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.