Home / 462,056.40-693,138.60-146,545.20

Finding the Fourth Proportional to 462,056.40, 693,138.60 and 146,545.20

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Solution

The fourth proportional to 462,056.40, 693,138.60 and 146,545.20 is: 219,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,056.40 : 693,138.60 = 146,545.20 : x
  2. Step 2: Convert to fraction form
    462,056.40/693,138.60 = 146,545.20/x
  3. Step 3: Cross multiply
    462,056.40x = 693,138.60 × 146,545.20
  4. Step 4: Simplify right side
    462,056.40x = 101,576,134,764.72
  5. Step 5: Solve for x
    x = 101,576,134,764.72/462,056.40
  6. Step 6: Final answer
    x = 219,834.93

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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.