Home / 99,400.41-137,255.36-92,188.34

Finding the Fourth Proportional to 99,400.41, 137,255.36 and 92,188.34

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Solution

The fourth proportional to 99,400.41, 137,255.36 and 92,188.34 is: 127,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,400.41 : 137,255.36 = 92,188.34 : x
  2. Step 2: Convert to fraction form
    99,400.41/137,255.36 = 92,188.34/x
  3. Step 3: Cross multiply
    99,400.41x = 137,255.36 × 92,188.34
  4. Step 4: Simplify right side
    99,400.41x = 12,653,342,647.28
  5. Step 5: Solve for x
    x = 12,653,342,647.28/99,400.41
  6. Step 6: Final answer
    x = 127,296.68

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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.