Home / 105,258.40-158,276.40-88,151.20

Finding the Fourth Proportional to 105,258.40, 158,276.40 and 88,151.20

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Solution

The fourth proportional to 105,258.40, 158,276.40 and 88,151.20 is: 132,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,258.40 : 158,276.40 = 88,151.20 : x
  2. Step 2: Convert to fraction form
    105,258.40/158,276.40 = 88,151.20/x
  3. Step 3: Cross multiply
    105,258.40x = 158,276.40 × 88,151.20
  4. Step 4: Simplify right side
    105,258.40x = 13,952,254,591.68
  5. Step 5: Solve for x
    x = 13,952,254,591.68/105,258.40
  6. Step 6: Final answer
    x = 132,552.41

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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.