Home / 145,948.48-218,935.68-52,480.96

Finding the Fourth Proportional to 145,948.48, 218,935.68 and 52,480.96

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Solution

The fourth proportional to 145,948.48, 218,935.68 and 52,480.96 is: 78,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,948.48 : 218,935.68 = 52,480.96 : x
  2. Step 2: Convert to fraction form
    145,948.48/218,935.68 = 52,480.96/x
  3. Step 3: Cross multiply
    145,948.48x = 218,935.68 × 52,480.96
  4. Step 4: Simplify right side
    145,948.48x = 11,489,954,664.65
  5. Step 5: Solve for x
    x = 11,489,954,664.65/145,948.48
  6. Step 6: Final answer
    x = 78,726.10

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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.