Home / 129,569.76-194,362.56-40,826.16

Finding the Fourth Proportional to 129,569.76, 194,362.56 and 40,826.16

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Solution

The fourth proportional to 129,569.76, 194,362.56 and 40,826.16 is: 61,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,569.76 : 194,362.56 = 40,826.16 : x
  2. Step 2: Convert to fraction form
    129,569.76/194,362.56 = 40,826.16/x
  3. Step 3: Cross multiply
    129,569.76x = 194,362.56 × 40,826.16
  4. Step 4: Simplify right side
    129,569.76x = 7,935,076,972.57
  5. Step 5: Solve for x
    x = 7,935,076,972.57/129,569.76
  6. Step 6: Final answer
    x = 61,241.74

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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.