Home / 115,180.36-158,894.56-67,404.13

Finding the Fourth Proportional to 115,180.36, 158,894.56 and 67,404.13

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Solution

The fourth proportional to 115,180.36, 158,894.56 and 67,404.13 is: 92,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,180.36 : 158,894.56 = 67,404.13 : x
  2. Step 2: Convert to fraction form
    115,180.36/158,894.56 = 67,404.13/x
  3. Step 3: Cross multiply
    115,180.36x = 158,894.56 × 67,404.13
  4. Step 4: Simplify right side
    115,180.36x = 10,710,149,578.53
  5. Step 5: Solve for x
    x = 10,710,149,578.53/115,180.36
  6. Step 6: Final answer
    x = 92,985.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.