Home / 107,140.42-160,737.40-75,612.03

Finding the Fourth Proportional to 107,140.42, 160,737.40 and 75,612.03

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Solution

The fourth proportional to 107,140.42, 160,737.40 and 75,612.03 is: 113,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,140.42 : 160,737.40 = 75,612.03 : x
  2. Step 2: Convert to fraction form
    107,140.42/160,737.40 = 75,612.03/x
  3. Step 3: Cross multiply
    107,140.42x = 160,737.40 × 75,612.03
  4. Step 4: Simplify right side
    107,140.42x = 12,153,681,110.92
  5. Step 5: Solve for x
    x = 12,153,681,110.92/107,140.42
  6. Step 6: Final answer
    x = 113,436.94

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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.