Home / 117,025.40-175,538.10-99,310.70

Finding the Fourth Proportional to 117,025.40, 175,538.10 and 99,310.70

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Solution

The fourth proportional to 117,025.40, 175,538.10 and 99,310.70 is: 148,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,025.40 : 175,538.10 = 99,310.70 : x
  2. Step 2: Convert to fraction form
    117,025.40/175,538.10 = 99,310.70/x
  3. Step 3: Cross multiply
    117,025.40x = 175,538.10 × 99,310.70
  4. Step 4: Simplify right side
    117,025.40x = 17,432,811,587.67
  5. Step 5: Solve for x
    x = 17,432,811,587.67/117,025.40
  6. Step 6: Final answer
    x = 148,966.05

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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.