Home / 158,721.30-238,106.07-52,069.86

Finding the Fourth Proportional to 158,721.30, 238,106.07 and 52,069.86

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Solution

The fourth proportional to 158,721.30, 238,106.07 and 52,069.86 is: 78,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,721.30 : 238,106.07 = 52,069.86 : x
  2. Step 2: Convert to fraction form
    158,721.30/238,106.07 = 52,069.86/x
  3. Step 3: Cross multiply
    158,721.30x = 238,106.07 × 52,069.86
  4. Step 4: Simplify right side
    158,721.30x = 12,398,149,730.05
  5. Step 5: Solve for x
    x = 12,398,149,730.05/158,721.30
  6. Step 6: Final answer
    x = 78,112.70

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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.