Home / 185,717.04-256,305.38-105,158.76

Finding the Fourth Proportional to 185,717.04, 256,305.38 and 105,158.76

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Solution

The fourth proportional to 185,717.04, 256,305.38 and 105,158.76 is: 145,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,717.04 : 256,305.38 = 105,158.76 : x
  2. Step 2: Convert to fraction form
    185,717.04/256,305.38 = 105,158.76/x
  3. Step 3: Cross multiply
    185,717.04x = 256,305.38 × 105,158.76
  4. Step 4: Simplify right side
    185,717.04x = 26,952,755,416.34
  5. Step 5: Solve for x
    x = 26,952,755,416.34/185,717.04
  6. Step 6: Final answer
    x = 145,128.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.