Home / 127,947.30-191,915.52-43,715.04

Finding the Fourth Proportional to 127,947.30, 191,915.52 and 43,715.04

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Solution

The fourth proportional to 127,947.30, 191,915.52 and 43,715.04 is: 65,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,947.30 : 191,915.52 = 43,715.04 : x
  2. Step 2: Convert to fraction form
    127,947.30/191,915.52 = 43,715.04/x
  3. Step 3: Cross multiply
    127,947.30x = 191,915.52 × 43,715.04
  4. Step 4: Simplify right side
    127,947.30x = 8,389,594,633.42
  5. Step 5: Solve for x
    x = 8,389,594,633.42/127,947.30
  6. Step 6: Final answer
    x = 65,570.70

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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.