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Finding the Fourth Proportional to 185,597.86, 256,125.70 and 100,714.90

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Solution

The fourth proportional to 185,597.86, 256,125.70 and 100,714.90 is: 138,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,597.86 : 256,125.70 = 100,714.90 : x
  2. Step 2: Convert to fraction form
    185,597.86/256,125.70 = 100,714.90/x
  3. Step 3: Cross multiply
    185,597.86x = 256,125.70 × 100,714.90
  4. Step 4: Simplify right side
    185,597.86x = 25,795,674,262.93
  5. Step 5: Solve for x
    x = 25,795,674,262.93/185,597.86
  6. Step 6: Final answer
    x = 138,986.92

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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.