Home / 127,403.65-191,126.20-47,441.91

Finding the Fourth Proportional to 127,403.65, 191,126.20 and 47,441.91

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Solution

The fourth proportional to 127,403.65, 191,126.20 and 47,441.91 is: 71,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,403.65 : 191,126.20 = 47,441.91 : x
  2. Step 2: Convert to fraction form
    127,403.65/191,126.20 = 47,441.91/x
  3. Step 3: Cross multiply
    127,403.65x = 191,126.20 × 47,441.91
  4. Step 4: Simplify right side
    127,403.65x = 9,067,391,979.04
  5. Step 5: Solve for x
    x = 9,067,391,979.04/127,403.65
  6. Step 6: Final answer
    x = 71,170.58

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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.