Home / 388,778.24-583,216.78-152,090.58

Finding the Fourth Proportional to 388,778.24, 583,216.78 and 152,090.58

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Solution

The fourth proportional to 388,778.24, 583,216.78 and 152,090.58 is: 228,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,778.24 : 583,216.78 = 152,090.58 : x
  2. Step 2: Convert to fraction form
    388,778.24/583,216.78 = 152,090.58/x
  3. Step 3: Cross multiply
    388,778.24x = 583,216.78 × 152,090.58
  4. Step 4: Simplify right side
    388,778.24x = 88,701,778,335.93
  5. Step 5: Solve for x
    x = 88,701,778,335.93/388,778.24
  6. Step 6: Final answer
    x = 228,155.20

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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.