Home / 443,664.20-665,496.30-148,176.20

Finding the Fourth Proportional to 443,664.20, 665,496.30 and 148,176.20

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Solution

The fourth proportional to 443,664.20, 665,496.30 and 148,176.20 is: 222,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,664.20 : 665,496.30 = 148,176.20 : x
  2. Step 2: Convert to fraction form
    443,664.20/665,496.30 = 148,176.20/x
  3. Step 3: Cross multiply
    443,664.20x = 665,496.30 × 148,176.20
  4. Step 4: Simplify right side
    443,664.20x = 98,610,712,848.06
  5. Step 5: Solve for x
    x = 98,610,712,848.06/443,664.20
  6. Step 6: Final answer
    x = 222,264.30

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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.