Home / 127,712.32-191,612.24-48,849.10

Finding the Fourth Proportional to 127,712.32, 191,612.24 and 48,849.10

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Solution

The fourth proportional to 127,712.32, 191,612.24 and 48,849.10 is: 73,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,712.32 : 191,612.24 = 48,849.10 : x
  2. Step 2: Convert to fraction form
    127,712.32/191,612.24 = 48,849.10/x
  3. Step 3: Cross multiply
    127,712.32x = 191,612.24 × 48,849.10
  4. Step 4: Simplify right side
    127,712.32x = 9,360,085,472.98
  5. Step 5: Solve for x
    x = 9,360,085,472.98/127,712.32
  6. Step 6: Final answer
    x = 73,290.39

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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.