Home / 142,927.10-214,423.32-49,432.76

Finding the Fourth Proportional to 142,927.10, 214,423.32 and 49,432.76

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Solution

The fourth proportional to 142,927.10, 214,423.32 and 49,432.76 is: 74,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,927.10 : 214,423.32 = 49,432.76 : x
  2. Step 2: Convert to fraction form
    142,927.10/214,423.32 = 49,432.76/x
  3. Step 3: Cross multiply
    142,927.10x = 214,423.32 × 49,432.76
  4. Step 4: Simplify right side
    142,927.10x = 10,599,536,515.96
  5. Step 5: Solve for x
    x = 10,599,536,515.96/142,927.10
  6. Step 6: Final answer
    x = 74,160.44

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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.