Home / 193,087.15-266,405.30-112,499.11

Finding the Fourth Proportional to 193,087.15, 266,405.30 and 112,499.11

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Solution

The fourth proportional to 193,087.15, 266,405.30 and 112,499.11 is: 155,216.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,087.15 : 266,405.30 = 112,499.11 : x
  2. Step 2: Convert to fraction form
    193,087.15/266,405.30 = 112,499.11/x
  3. Step 3: Cross multiply
    193,087.15x = 266,405.30 × 112,499.11
  4. Step 4: Simplify right side
    193,087.15x = 29,970,359,412.53
  5. Step 5: Solve for x
    x = 29,970,359,412.53/193,087.15
  6. Step 6: Final answer
    x = 155,216.74

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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.