Home / 147,482.70-221,249.16-47,630.76

Finding the Fourth Proportional to 147,482.70, 221,249.16 and 47,630.76

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Solution

The fourth proportional to 147,482.70, 221,249.16 and 47,630.76 is: 71,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,482.70 : 221,249.16 = 47,630.76 : x
  2. Step 2: Convert to fraction form
    147,482.70/221,249.16 = 47,630.76/x
  3. Step 3: Cross multiply
    147,482.70x = 221,249.16 × 47,630.76
  4. Step 4: Simplify right side
    147,482.70x = 10,538,265,640.16
  5. Step 5: Solve for x
    x = 10,538,265,640.16/147,482.70
  6. Step 6: Final answer
    x = 71,454.25

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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.