Home / 136,296.30-188,167.14-91,123.80

Finding the Fourth Proportional to 136,296.30, 188,167.14 and 91,123.80

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Solution

The fourth proportional to 136,296.30, 188,167.14 and 91,123.80 is: 125,803.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,296.30 : 188,167.14 = 91,123.80 : x
  2. Step 2: Convert to fraction form
    136,296.30/188,167.14 = 91,123.80/x
  3. Step 3: Cross multiply
    136,296.30x = 188,167.14 × 91,123.80
  4. Step 4: Simplify right side
    136,296.30x = 17,146,504,831.93
  5. Step 5: Solve for x
    x = 17,146,504,831.93/136,296.30
  6. Step 6: Final answer
    x = 125,803.16

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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.