Home / 147,266.80-220,900.20-136,441.15

Finding the Fourth Proportional to 147,266.80, 220,900.20 and 136,441.15

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Solution

The fourth proportional to 147,266.80, 220,900.20 and 136,441.15 is: 204,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,266.80 : 220,900.20 = 136,441.15 : x
  2. Step 2: Convert to fraction form
    147,266.80/220,900.20 = 136,441.15/x
  3. Step 3: Cross multiply
    147,266.80x = 220,900.20 × 136,441.15
  4. Step 4: Simplify right side
    147,266.80x = 30,139,877,323.23
  5. Step 5: Solve for x
    x = 30,139,877,323.23/147,266.80
  6. Step 6: Final answer
    x = 204,661.73

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1.5x scale

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.