Home / 185,600.22-256,372.47-142,317.06

Finding the Fourth Proportional to 185,600.22, 256,372.47 and 142,317.06

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Solution

The fourth proportional to 185,600.22, 256,372.47 and 142,317.06 is: 196,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,600.22 : 256,372.47 = 142,317.06 : x
  2. Step 2: Convert to fraction form
    185,600.22/256,372.47 = 142,317.06/x
  3. Step 3: Cross multiply
    185,600.22x = 256,372.47 × 142,317.06
  4. Step 4: Simplify right side
    185,600.22x = 36,486,176,195.34
  5. Step 5: Solve for x
    x = 36,486,176,195.34/185,600.22
  6. Step 6: Final answer
    x = 196,584.77

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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.