Home / 388,786.24-583,228.80-152,098.60

Finding the Fourth Proportional to 388,786.24, 583,228.80 and 152,098.60

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Solution

The fourth proportional to 388,786.24, 583,228.80 and 152,098.60 is: 228,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,786.24 : 583,228.80 = 152,098.60 : x
  2. Step 2: Convert to fraction form
    388,786.24/583,228.80 = 152,098.60/x
  3. Step 3: Cross multiply
    388,786.24x = 583,228.80 × 152,098.60
  4. Step 4: Simplify right side
    388,786.24x = 88,708,283,959.68
  5. Step 5: Solve for x
    x = 88,708,283,959.68/388,786.24
  6. Step 6: Final answer
    x = 228,167.24

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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.