Home / 136,573.06-188,403.85-91,262.19

Finding the Fourth Proportional to 136,573.06, 188,403.85 and 91,262.19

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Solution

The fourth proportional to 136,573.06, 188,403.85 and 91,262.19 is: 125,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,573.06 : 188,403.85 = 91,262.19 : x
  2. Step 2: Convert to fraction form
    136,573.06/188,403.85 = 91,262.19/x
  3. Step 3: Cross multiply
    136,573.06x = 188,403.85 × 91,262.19
  4. Step 4: Simplify right side
    136,573.06x = 17,194,148,519.35
  5. Step 5: Solve for x
    x = 17,194,148,519.35/136,573.06
  6. Step 6: Final answer
    x = 125,897.07

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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.