Home / 185,755.02-256,339.51-105,182.29

Finding the Fourth Proportional to 185,755.02, 256,339.51 and 105,182.29

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Solution

The fourth proportional to 185,755.02, 256,339.51 and 105,182.29 is: 145,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,755.02 : 256,339.51 = 105,182.29 : x
  2. Step 2: Convert to fraction form
    185,755.02/256,339.51 = 105,182.29/x
  3. Step 3: Cross multiply
    185,755.02x = 256,339.51 × 105,182.29
  4. Step 4: Simplify right side
    185,755.02x = 26,962,376,679.28
  5. Step 5: Solve for x
    x = 26,962,376,679.28/185,755.02
  6. Step 6: Final answer
    x = 145,150.19

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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.