Home / 154,032.40-212,447.67-132,557.86

Finding the Fourth Proportional to 154,032.40, 212,447.67 and 132,557.86

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Solution

The fourth proportional to 154,032.40, 212,447.67 and 132,557.86 is: 182,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,032.40 : 212,447.67 = 132,557.86 : x
  2. Step 2: Convert to fraction form
    154,032.40/212,447.67 = 132,557.86/x
  3. Step 3: Cross multiply
    154,032.40x = 212,447.67 × 132,557.86
  4. Step 4: Simplify right side
    154,032.40x = 28,161,608,497.19
  5. Step 5: Solve for x
    x = 28,161,608,497.19/154,032.40
  6. Step 6: Final answer
    x = 182,829.12

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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.