Home / 147,856.80-221,493.60-88,516.20

Finding the Fourth Proportional to 147,856.80, 221,493.60 and 88,516.20

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Solution

The fourth proportional to 147,856.80, 221,493.60 and 88,516.20 is: 132,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,856.80 : 221,493.60 = 88,516.20 : x
  2. Step 2: Convert to fraction form
    147,856.80/221,493.60 = 88,516.20/x
  3. Step 3: Cross multiply
    147,856.80x = 221,493.60 × 88,516.20
  4. Step 4: Simplify right side
    147,856.80x = 19,605,771,796.32
  5. Step 5: Solve for x
    x = 19,605,771,796.32/147,856.80
  6. Step 6: Final answer
    x = 132,599.73

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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.