Home / 158,932.18-238,164.99-79,937.74

Finding the Fourth Proportional to 158,932.18, 238,164.99 and 79,937.74

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Solution

The fourth proportional to 158,932.18, 238,164.99 and 79,937.74 is: 119,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,932.18 : 238,164.99 = 79,937.74 : x
  2. Step 2: Convert to fraction form
    158,932.18/238,164.99 = 79,937.74/x
  3. Step 3: Cross multiply
    158,932.18x = 238,164.99 × 79,937.74
  4. Step 4: Simplify right side
    158,932.18x = 19,038,371,047.72
  5. Step 5: Solve for x
    x = 19,038,371,047.72/158,932.18
  6. Step 6: Final answer
    x = 119,789.28

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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.