Home / 92,144.07-137,265.12-89,356.32

Finding the Fourth Proportional to 92,144.07, 137,265.12 and 89,356.32

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Solution

The fourth proportional to 92,144.07, 137,265.12 and 89,356.32 is: 133,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,144.07 : 137,265.12 = 89,356.32 : x
  2. Step 2: Convert to fraction form
    92,144.07/137,265.12 = 89,356.32/x
  3. Step 3: Cross multiply
    92,144.07x = 137,265.12 × 89,356.32
  4. Step 4: Simplify right side
    92,144.07x = 12,265,505,987.56
  5. Step 5: Solve for x
    x = 12,265,505,987.56/92,144.07
  6. Step 6: Final answer
    x = 133,112.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.