Home / 147,222.88-220,841.36-42,049.12

Finding the Fourth Proportional to 147,222.88, 220,841.36 and 42,049.12

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Solution

The fourth proportional to 147,222.88, 220,841.36 and 42,049.12 is: 63,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,222.88 : 220,841.36 = 42,049.12 : x
  2. Step 2: Convert to fraction form
    147,222.88/220,841.36 = 42,049.12/x
  3. Step 3: Cross multiply
    147,222.88x = 220,841.36 × 42,049.12
  4. Step 4: Simplify right side
    147,222.88x = 9,286,184,847.60
  5. Step 5: Solve for x
    x = 9,286,184,847.60/147,222.88
  6. Step 6: Final answer
    x = 63,075.69

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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.