Home / 185,705.33-256,279.48-105,131.18

Finding the Fourth Proportional to 185,705.33, 256,279.48 and 105,131.18

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Solution

The fourth proportional to 185,705.33, 256,279.48 and 105,131.18 is: 145,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,705.33 : 256,279.48 = 105,131.18 : x
  2. Step 2: Convert to fraction form
    185,705.33/256,279.48 = 105,131.18/x
  3. Step 3: Cross multiply
    185,705.33x = 256,279.48 × 105,131.18
  4. Step 4: Simplify right side
    185,705.33x = 26,942,964,520.06
  5. Step 5: Solve for x
    x = 26,942,964,520.06/185,705.33
  6. Step 6: Final answer
    x = 145,084.50

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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.