Home / 158,718.88-238,050.78-52,101.28

Finding the Fourth Proportional to 158,718.88, 238,050.78 and 52,101.28

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Solution

The fourth proportional to 158,718.88, 238,050.78 and 52,101.28 is: 78,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,718.88 : 238,050.78 = 52,101.28 : x
  2. Step 2: Convert to fraction form
    158,718.88/238,050.78 = 52,101.28/x
  3. Step 3: Cross multiply
    158,718.88x = 238,050.78 × 52,101.28
  4. Step 4: Simplify right side
    158,718.88x = 12,402,750,343.00
  5. Step 5: Solve for x
    x = 12,402,750,343.00/158,718.88
  6. Step 6: Final answer
    x = 78,142.88

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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.