Home / 159,557.45-220,262.04-113,646.65

Finding the Fourth Proportional to 159,557.45, 220,262.04 and 113,646.65

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Solution

The fourth proportional to 159,557.45, 220,262.04 and 113,646.65 is: 156,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,557.45 : 220,262.04 = 113,646.65 : x
  2. Step 2: Convert to fraction form
    159,557.45/220,262.04 = 113,646.65/x
  3. Step 3: Cross multiply
    159,557.45x = 220,262.04 × 113,646.65
  4. Step 4: Simplify right side
    159,557.45x = 25,032,042,133.39
  5. Step 5: Solve for x
    x = 25,032,042,133.39/159,557.45
  6. Step 6: Final answer
    x = 156,884.20

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1.5x scale

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.