Home / 185,755.13-256,345.53-105,182.41

Finding the Fourth Proportional to 185,755.13, 256,345.53 and 105,182.41

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Solution

The fourth proportional to 185,755.13, 256,345.53 and 105,182.41 is: 145,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,755.13 : 256,345.53 = 105,182.41 : x
  2. Step 2: Convert to fraction form
    185,755.13/256,345.53 = 105,182.41/x
  3. Step 3: Cross multiply
    185,755.13x = 256,345.53 × 105,182.41
  4. Step 4: Simplify right side
    185,755.13x = 26,963,040,638.13
  5. Step 5: Solve for x
    x = 26,963,040,638.13/185,755.13
  6. Step 6: Final answer
    x = 145,153.68

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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.