Home / 144,330.72-216,440.70-49,543.24

Finding the Fourth Proportional to 144,330.72, 216,440.70 and 49,543.24

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Solution

The fourth proportional to 144,330.72, 216,440.70 and 49,543.24 is: 74,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,330.72 : 216,440.70 = 49,543.24 : x
  2. Step 2: Convert to fraction form
    144,330.72/216,440.70 = 49,543.24/x
  3. Step 3: Cross multiply
    144,330.72x = 216,440.70 × 49,543.24
  4. Step 4: Simplify right side
    144,330.72x = 10,723,173,545.87
  5. Step 5: Solve for x
    x = 10,723,173,545.87/144,330.72
  6. Step 6: Final answer
    x = 74,295.85

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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.