Home / 157,177.45-235,726.80-67,175.69

Finding the Fourth Proportional to 157,177.45, 235,726.80 and 67,175.69

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Solution

The fourth proportional to 157,177.45, 235,726.80 and 67,175.69 is: 100,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,177.45 : 235,726.80 = 67,175.69 : x
  2. Step 2: Convert to fraction form
    157,177.45/235,726.80 = 67,175.69/x
  3. Step 3: Cross multiply
    157,177.45x = 235,726.80 × 67,175.69
  4. Step 4: Simplify right side
    157,177.45x = 15,835,109,394.53
  5. Step 5: Solve for x
    x = 15,835,109,394.53/157,177.45
  6. Step 6: Final answer
    x = 100,746.70

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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.