Home / 257,583.40-386,195.10-152,348.20

Finding the Fourth Proportional to 257,583.40, 386,195.10 and 152,348.20

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Solution

The fourth proportional to 257,583.40, 386,195.10 and 152,348.20 is: 228,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,583.40 : 386,195.10 = 152,348.20 : x
  2. Step 2: Convert to fraction form
    257,583.40/386,195.10 = 152,348.20/x
  3. Step 3: Cross multiply
    257,583.40x = 386,195.10 × 152,348.20
  4. Step 4: Simplify right side
    257,583.40x = 58,836,128,333.82
  5. Step 5: Solve for x
    x = 58,836,128,333.82/257,583.40
  6. Step 6: Final answer
    x = 228,415.84

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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.