Home / 127,445.94-191,156.54-38,700.22

Finding the Fourth Proportional to 127,445.94, 191,156.54 and 38,700.22

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Solution

The fourth proportional to 127,445.94, 191,156.54 and 38,700.22 is: 58,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,445.94 : 191,156.54 = 38,700.22 : x
  2. Step 2: Convert to fraction form
    127,445.94/191,156.54 = 38,700.22/x
  3. Step 3: Cross multiply
    127,445.94x = 191,156.54 × 38,700.22
  4. Step 4: Simplify right side
    127,445.94x = 7,397,800,152.44
  5. Step 5: Solve for x
    x = 7,397,800,152.44/127,445.94
  6. Step 6: Final answer
    x = 58,046.57

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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.