Home / 175,645.64-242,331.28-99,155.72

Finding the Fourth Proportional to 175,645.64, 242,331.28 and 99,155.72

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Solution

The fourth proportional to 175,645.64, 242,331.28 and 99,155.72 is: 136,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,645.64 : 242,331.28 = 99,155.72 : x
  2. Step 2: Convert to fraction form
    175,645.64/242,331.28 = 99,155.72/x
  3. Step 3: Cross multiply
    175,645.64x = 242,331.28 × 99,155.72
  4. Step 4: Simplify right side
    175,645.64x = 24,028,532,546.92
  5. Step 5: Solve for x
    x = 24,028,532,546.92/175,645.64
  6. Step 6: Final answer
    x = 136,801.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.