Home / 94,147.11-129,766.86-91,653.93

Finding the Fourth Proportional to 94,147.11, 129,766.86 and 91,653.93

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Solution

The fourth proportional to 94,147.11, 129,766.86 and 91,653.93 is: 126,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,147.11 : 129,766.86 = 91,653.93 : x
  2. Step 2: Convert to fraction form
    94,147.11/129,766.86 = 91,653.93/x
  3. Step 3: Cross multiply
    94,147.11x = 129,766.86 × 91,653.93
  4. Step 4: Simplify right side
    94,147.11x = 11,893,642,702.76
  5. Step 5: Solve for x
    x = 11,893,642,702.76/94,147.11
  6. Step 6: Final answer
    x = 126,330.41

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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.