Home / 155,934.85-215,194.02-95,538.80

Finding the Fourth Proportional to 155,934.85, 215,194.02 and 95,538.80

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Solution

The fourth proportional to 155,934.85, 215,194.02 and 95,538.80 is: 131,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,934.85 : 215,194.02 = 95,538.80 : x
  2. Step 2: Convert to fraction form
    155,934.85/215,194.02 = 95,538.80/x
  3. Step 3: Cross multiply
    155,934.85x = 215,194.02 × 95,538.80
  4. Step 4: Simplify right side
    155,934.85x = 20,559,378,437.98
  5. Step 5: Solve for x
    x = 20,559,378,437.98/155,934.85
  6. Step 6: Final answer
    x = 131,845.95

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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.