Home / 136,827.06-205,271.37-48,086.70

Finding the Fourth Proportional to 136,827.06, 205,271.37 and 48,086.70

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Solution

The fourth proportional to 136,827.06, 205,271.37 and 48,086.70 is: 72,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,827.06 : 205,271.37 = 48,086.70 : x
  2. Step 2: Convert to fraction form
    136,827.06/205,271.37 = 48,086.70/x
  3. Step 3: Cross multiply
    136,827.06x = 205,271.37 × 48,086.70
  4. Step 4: Simplify right side
    136,827.06x = 9,870,822,787.78
  5. Step 5: Solve for x
    x = 9,870,822,787.78/136,827.06
  6. Step 6: Final answer
    x = 72,140.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.