Home / 388,838.20-583,237.80-152,224.24

Finding the Fourth Proportional to 388,838.20, 583,237.80 and 152,224.24

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Solution

The fourth proportional to 388,838.20, 583,237.80 and 152,224.24 is: 228,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,838.20 : 583,237.80 = 152,224.24 : x
  2. Step 2: Convert to fraction form
    388,838.20/583,237.80 = 152,224.24/x
  3. Step 3: Cross multiply
    388,838.20x = 583,237.80 × 152,224.24
  4. Step 4: Simplify right side
    388,838.20x = 88,782,930,844.27
  5. Step 5: Solve for x
    x = 88,782,930,844.27/388,838.20
  6. Step 6: Final answer
    x = 228,328.73

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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.