Home / 185,862.12-256,471.22-105,273.56

Finding the Fourth Proportional to 185,862.12, 256,471.22 and 105,273.56

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Solution

The fourth proportional to 185,862.12, 256,471.22 and 105,273.56 is: 145,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,862.12 : 256,471.22 = 105,273.56 : x
  2. Step 2: Convert to fraction form
    185,862.12/256,471.22 = 105,273.56/x
  3. Step 3: Cross multiply
    185,862.12x = 256,471.22 × 105,273.56
  4. Step 4: Simplify right side
    185,862.12x = 26,999,638,366.94
  5. Step 5: Solve for x
    x = 26,999,638,366.94/185,862.12
  6. Step 6: Final answer
    x = 145,267.03

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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.