Home / 133,275.18-199,883.28-38,484.78

Finding the Fourth Proportional to 133,275.18, 199,883.28 and 38,484.78

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Solution

The fourth proportional to 133,275.18, 199,883.28 and 38,484.78 is: 57,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,275.18 : 199,883.28 = 38,484.78 : x
  2. Step 2: Convert to fraction form
    133,275.18/199,883.28 = 38,484.78/x
  3. Step 3: Cross multiply
    133,275.18x = 199,883.28 × 38,484.78
  4. Step 4: Simplify right side
    133,275.18x = 7,692,464,056.48
  5. Step 5: Solve for x
    x = 7,692,464,056.48/133,275.18
  6. Step 6: Final answer
    x = 57,718.65

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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.