Home / 105,414.66-158,184.36-38,901.11

Finding the Fourth Proportional to 105,414.66, 158,184.36 and 38,901.11

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Solution

The fourth proportional to 105,414.66, 158,184.36 and 38,901.11 is: 58,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,414.66 : 158,184.36 = 38,901.11 : x
  2. Step 2: Convert to fraction form
    105,414.66/158,184.36 = 38,901.11/x
  3. Step 3: Cross multiply
    105,414.66x = 158,184.36 × 38,901.11
  4. Step 4: Simplify right side
    105,414.66x = 6,153,546,397.72
  5. Step 5: Solve for x
    x = 6,153,546,397.72/105,414.66
  6. Step 6: Final answer
    x = 58,374.67

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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.