Home / 238,281.12-356,877.36-113,709.60

Finding the Fourth Proportional to 238,281.12, 356,877.36 and 113,709.60

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Solution

The fourth proportional to 238,281.12, 356,877.36 and 113,709.60 is: 170,304.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,281.12 : 356,877.36 = 113,709.60 : x
  2. Step 2: Convert to fraction form
    238,281.12/356,877.36 = 113,709.60/x
  3. Step 3: Cross multiply
    238,281.12x = 356,877.36 × 113,709.60
  4. Step 4: Simplify right side
    238,281.12x = 40,580,381,854.66
  5. Step 5: Solve for x
    x = 40,580,381,854.66/238,281.12
  6. Step 6: Final answer
    x = 170,304.65

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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.