Home / 127,929.04-191,892.21-43,688.24

Finding the Fourth Proportional to 127,929.04, 191,892.21 and 43,688.24

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Solution

The fourth proportional to 127,929.04, 191,892.21 and 43,688.24 is: 65,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,929.04 : 191,892.21 = 43,688.24 : x
  2. Step 2: Convert to fraction form
    127,929.04/191,892.21 = 43,688.24/x
  3. Step 3: Cross multiply
    127,929.04x = 191,892.21 × 43,688.24
  4. Step 4: Simplify right side
    127,929.04x = 8,383,432,924.61
  5. Step 5: Solve for x
    x = 8,383,432,924.61/127,929.04
  6. Step 6: Final answer
    x = 65,531.90

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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.