Home / 117,160.25-175,704.02-42,270.66

Finding the Fourth Proportional to 117,160.25, 175,704.02 and 42,270.66

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Solution

The fourth proportional to 117,160.25, 175,704.02 and 42,270.66 is: 63,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,160.25 : 175,704.02 = 42,270.66 : x
  2. Step 2: Convert to fraction form
    117,160.25/175,704.02 = 42,270.66/x
  3. Step 3: Cross multiply
    117,160.25x = 175,704.02 × 42,270.66
  4. Step 4: Simplify right side
    117,160.25x = 7,427,124,678.70
  5. Step 5: Solve for x
    x = 7,427,124,678.70/117,160.25
  6. Step 6: Final answer
    x = 63,392.87

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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.