Home / 134,160.18-185,100.62-80,425.59

Finding the Fourth Proportional to 134,160.18, 185,100.62 and 80,425.59

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Solution

The fourth proportional to 134,160.18, 185,100.62 and 80,425.59 is: 110,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,160.18 : 185,100.62 = 80,425.59 : x
  2. Step 2: Convert to fraction form
    134,160.18/185,100.62 = 80,425.59/x
  3. Step 3: Cross multiply
    134,160.18x = 185,100.62 × 80,425.59
  4. Step 4: Simplify right side
    134,160.18x = 14,886,826,773.93
  5. Step 5: Solve for x
    x = 14,886,826,773.93/134,160.18
  6. Step 6: Final answer
    x = 110,963.08

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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.