Home / 106,872.20-160,097.10-93,739.40

Finding the Fourth Proportional to 106,872.20, 160,097.10 and 93,739.40

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Solution

The fourth proportional to 106,872.20, 160,097.10 and 93,739.40 is: 140,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,872.20 : 160,097.10 = 93,739.40 : x
  2. Step 2: Convert to fraction form
    106,872.20/160,097.10 = 93,739.40/x
  3. Step 3: Cross multiply
    106,872.20x = 160,097.10 × 93,739.40
  4. Step 4: Simplify right side
    106,872.20x = 15,007,406,095.74
  5. Step 5: Solve for x
    x = 15,007,406,095.74/106,872.20
  6. Step 6: Final answer
    x = 140,423.85

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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.