Home / 185,996.21-256,677.74-105,422.04

Finding the Fourth Proportional to 185,996.21, 256,677.74 and 105,422.04

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Solution

The fourth proportional to 185,996.21, 256,677.74 and 105,422.04 is: 145,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,996.21 : 256,677.74 = 105,422.04 : x
  2. Step 2: Convert to fraction form
    185,996.21/256,677.74 = 105,422.04/x
  3. Step 3: Cross multiply
    185,996.21x = 256,677.74 × 105,422.04
  4. Step 4: Simplify right side
    185,996.21x = 27,059,490,446.28
  5. Step 5: Solve for x
    x = 27,059,490,446.28/185,996.21
  6. Step 6: Final answer
    x = 145,484.10

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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.