Home / 145,735.24-218,545.54-70,833.44

Finding the Fourth Proportional to 145,735.24, 218,545.54 and 70,833.44

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Solution

The fourth proportional to 145,735.24, 218,545.54 and 70,833.44 is: 106,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,735.24 : 218,545.54 = 70,833.44 : x
  2. Step 2: Convert to fraction form
    145,735.24/218,545.54 = 70,833.44/x
  3. Step 3: Cross multiply
    145,735.24x = 218,545.54 × 70,833.44
  4. Step 4: Simplify right side
    145,735.24x = 15,480,332,394.86
  5. Step 5: Solve for x
    x = 15,480,332,394.86/145,735.24
  6. Step 6: Final answer
    x = 106,222.30

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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.