Home / 94,655.46-141,774.59-78,240.18

Finding the Fourth Proportional to 94,655.46, 141,774.59 and 78,240.18

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Solution

The fourth proportional to 94,655.46, 141,774.59 and 78,240.18 is: 117,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,655.46 : 141,774.59 = 78,240.18 : x
  2. Step 2: Convert to fraction form
    94,655.46/141,774.59 = 78,240.18/x
  3. Step 3: Cross multiply
    94,655.46x = 141,774.59 × 78,240.18
  4. Step 4: Simplify right side
    94,655.46x = 11,092,469,441.03
  5. Step 5: Solve for x
    x = 11,092,469,441.03/94,655.46
  6. Step 6: Final answer
    x = 117,187.85

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1.5x scale

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.