Home / 185,754.13-256,344.15-105,181.41

Finding the Fourth Proportional to 185,754.13, 256,344.15 and 105,181.41

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Solution

The fourth proportional to 185,754.13, 256,344.15 and 105,181.41 is: 145,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,754.13 : 256,344.15 = 105,181.41 : x
  2. Step 2: Convert to fraction form
    185,754.13/256,344.15 = 105,181.41/x
  3. Step 3: Cross multiply
    185,754.13x = 256,344.15 × 105,181.41
  4. Step 4: Simplify right side
    185,754.13x = 26,962,639,142.25
  5. Step 5: Solve for x
    x = 26,962,639,142.25/185,754.13
  6. Step 6: Final answer
    x = 145,152.30

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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.