Home / 237,780.80-356,671.20-125,417.60

Finding the Fourth Proportional to 237,780.80, 356,671.20 and 125,417.60

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Solution

The fourth proportional to 237,780.80, 356,671.20 and 125,417.60 is: 188,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,780.80 : 356,671.20 = 125,417.60 : x
  2. Step 2: Convert to fraction form
    237,780.80/356,671.20 = 125,417.60/x
  3. Step 3: Cross multiply
    237,780.80x = 356,671.20 × 125,417.60
  4. Step 4: Simplify right side
    237,780.80x = 44,732,845,893.12
  5. Step 5: Solve for x
    x = 44,732,845,893.12/237,780.80
  6. Step 6: Final answer
    x = 188,126.40

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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.