Home / 146,541.95-219,468.46-71,426.69

Finding the Fourth Proportional to 146,541.95, 219,468.46 and 71,426.69

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Solution

The fourth proportional to 146,541.95, 219,468.46 and 71,426.69 is: 106,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,541.95 : 219,468.46 = 71,426.69 : x
  2. Step 2: Convert to fraction form
    146,541.95/219,468.46 = 71,426.69/x
  3. Step 3: Cross multiply
    146,541.95x = 219,468.46 × 71,426.69
  4. Step 4: Simplify right side
    146,541.95x = 15,675,905,657.20
  5. Step 5: Solve for x
    x = 15,675,905,657.20/146,541.95
  6. Step 6: Final answer
    x = 106,972.14

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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.