Home / 136,279.44-187,904.70-93,279.66

Finding the Fourth Proportional to 136,279.44, 187,904.70 and 93,279.66

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Solution

The fourth proportional to 136,279.44, 187,904.70 and 93,279.66 is: 128,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,279.44 : 187,904.70 = 93,279.66 : x
  2. Step 2: Convert to fraction form
    136,279.44/187,904.70 = 93,279.66/x
  3. Step 3: Cross multiply
    136,279.44x = 187,904.70 × 93,279.66
  4. Step 4: Simplify right side
    136,279.44x = 17,527,686,528.40
  5. Step 5: Solve for x
    x = 17,527,686,528.40/136,279.44
  6. Step 6: Final answer
    x = 128,615.78

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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.