Home / 193,378.25-266,857.84-107,332.22

Finding the Fourth Proportional to 193,378.25, 266,857.84 and 107,332.22

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Solution

The fourth proportional to 193,378.25, 266,857.84 and 107,332.22 is: 148,116.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,378.25 : 266,857.84 = 107,332.22 : x
  2. Step 2: Convert to fraction form
    193,378.25/266,857.84 = 107,332.22/x
  3. Step 3: Cross multiply
    193,378.25x = 266,857.84 × 107,332.22
  4. Step 4: Simplify right side
    193,378.25x = 28,642,442,788.99
  5. Step 5: Solve for x
    x = 28,642,442,788.99/193,378.25
  6. Step 6: Final answer
    x = 148,116.16

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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.