Home / 193,159.77-266,559.65-108,276.84

Finding the Fourth Proportional to 193,159.77, 266,559.65 and 108,276.84

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Solution

The fourth proportional to 193,159.77, 266,559.65 and 108,276.84 is: 149,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,159.77 : 266,559.65 = 108,276.84 : x
  2. Step 2: Convert to fraction form
    193,159.77/266,559.65 = 108,276.84/x
  3. Step 3: Cross multiply
    193,159.77x = 266,559.65 × 108,276.84
  4. Step 4: Simplify right side
    193,159.77x = 28,862,236,032.12
  5. Step 5: Solve for x
    x = 28,862,236,032.12/193,159.77
  6. Step 6: Final answer
    x = 149,421.57

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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.