Home / 152,959.15-229,448.85-40,637.80

Finding the Fourth Proportional to 152,959.15, 229,448.85 and 40,637.80

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Solution

The fourth proportional to 152,959.15, 229,448.85 and 40,637.80 is: 60,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,959.15 : 229,448.85 = 40,637.80 : x
  2. Step 2: Convert to fraction form
    152,959.15/229,448.85 = 40,637.80/x
  3. Step 3: Cross multiply
    152,959.15x = 229,448.85 × 40,637.80
  4. Step 4: Simplify right side
    152,959.15x = 9,324,296,476.53
  5. Step 5: Solve for x
    x = 9,324,296,476.53/152,959.15
  6. Step 6: Final answer
    x = 60,959.39

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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.