Home / 127,922.60-191,883.90-118,591.40

Finding the Fourth Proportional to 127,922.60, 191,883.90 and 118,591.40

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Solution

The fourth proportional to 127,922.60, 191,883.90 and 118,591.40 is: 177,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,922.60 : 191,883.90 = 118,591.40 : x
  2. Step 2: Convert to fraction form
    127,922.60/191,883.90 = 118,591.40/x
  3. Step 3: Cross multiply
    127,922.60x = 191,883.90 × 118,591.40
  4. Step 4: Simplify right side
    127,922.60x = 22,755,780,338.46
  5. Step 5: Solve for x
    x = 22,755,780,338.46/127,922.60
  6. Step 6: Final answer
    x = 177,887.10

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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.