Home / 443,928.76-665,899.28-144,410.88

Finding the Fourth Proportional to 443,928.76, 665,899.28 and 144,410.88

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Solution

The fourth proportional to 443,928.76, 665,899.28 and 144,410.88 is: 216,618.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,928.76 : 665,899.28 = 144,410.88 : x
  2. Step 2: Convert to fraction form
    443,928.76/665,899.28 = 144,410.88/x
  3. Step 3: Cross multiply
    443,928.76x = 665,899.28 × 144,410.88
  4. Step 4: Simplify right side
    443,928.76x = 96,163,101,016.17
  5. Step 5: Solve for x
    x = 96,163,101,016.17/443,928.76
  6. Step 6: Final answer
    x = 216,618.32

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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.