Home / 236,610.40-326,527.32-129,184.96

Finding the Fourth Proportional to 236,610.40, 326,527.32 and 129,184.96

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Solution

The fourth proportional to 236,610.40, 326,527.32 and 129,184.96 is: 178,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,610.40 : 326,527.32 = 129,184.96 : x
  2. Step 2: Convert to fraction form
    236,610.40/326,527.32 = 129,184.96/x
  3. Step 3: Cross multiply
    236,610.40x = 326,527.32 × 129,184.96
  4. Step 4: Simplify right side
    236,610.40x = 42,182,418,773.11
  5. Step 5: Solve for x
    x = 42,182,418,773.11/236,610.40
  6. Step 6: Final answer
    x = 178,277.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.