Home / 154,836.86-213,427.92-116,538.82

Finding the Fourth Proportional to 154,836.86, 213,427.92 and 116,538.82

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Solution

The fourth proportional to 154,836.86, 213,427.92 and 116,538.82 is: 160,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,836.86 : 213,427.92 = 116,538.82 : x
  2. Step 2: Convert to fraction form
    154,836.86/213,427.92 = 116,538.82/x
  3. Step 3: Cross multiply
    154,836.86x = 213,427.92 × 116,538.82
  4. Step 4: Simplify right side
    154,836.86x = 24,872,637,951.85
  5. Step 5: Solve for x
    x = 24,872,637,951.85/154,836.86
  6. Step 6: Final answer
    x = 160,637.71

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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.