Home / 147,559.20-221,338.80-36,751.20

Finding the Fourth Proportional to 147,559.20, 221,338.80 and 36,751.20

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Solution

The fourth proportional to 147,559.20, 221,338.80 and 36,751.20 is: 55,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,559.20 : 221,338.80 = 36,751.20 : x
  2. Step 2: Convert to fraction form
    147,559.20/221,338.80 = 36,751.20/x
  3. Step 3: Cross multiply
    147,559.20x = 221,338.80 × 36,751.20
  4. Step 4: Simplify right side
    147,559.20x = 8,134,466,506.56
  5. Step 5: Solve for x
    x = 8,134,466,506.56/147,559.20
  6. Step 6: Final answer
    x = 55,126.80

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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.