Home / 136,834.80-205,263.84-48,080.64

Finding the Fourth Proportional to 136,834.80, 205,263.84 and 48,080.64

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Solution

The fourth proportional to 136,834.80, 205,263.84 and 48,080.64 is: 72,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,834.80 : 205,263.84 = 48,080.64 : x
  2. Step 2: Convert to fraction form
    136,834.80/205,263.84 = 48,080.64/x
  3. Step 3: Cross multiply
    136,834.80x = 205,263.84 × 48,080.64
  4. Step 4: Simplify right side
    136,834.80x = 9,869,216,796.06
  5. Step 5: Solve for x
    x = 9,869,216,796.06/136,834.80
  6. Step 6: Final answer
    x = 72,125.05

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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.