Home / 127,552.62-191,356.58-38,803.79

Finding the Fourth Proportional to 127,552.62, 191,356.58 and 38,803.79

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Solution

The fourth proportional to 127,552.62, 191,356.58 and 38,803.79 is: 58,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,552.62 : 191,356.58 = 38,803.79 : x
  2. Step 2: Convert to fraction form
    127,552.62/191,356.58 = 38,803.79/x
  3. Step 3: Cross multiply
    127,552.62x = 191,356.58 × 38,803.79
  4. Step 4: Simplify right side
    127,552.62x = 7,425,360,829.81
  5. Step 5: Solve for x
    x = 7,425,360,829.81/127,552.62
  6. Step 6: Final answer
    x = 58,214.10

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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.