Home / 443,618.20-665,427.30-163,077.40

Finding the Fourth Proportional to 443,618.20, 665,427.30 and 163,077.40

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Solution

The fourth proportional to 443,618.20, 665,427.30 and 163,077.40 is: 244,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,618.20 : 665,427.30 = 163,077.40 : x
  2. Step 2: Convert to fraction form
    443,618.20/665,427.30 = 163,077.40/x
  3. Step 3: Cross multiply
    443,618.20x = 665,427.30 × 163,077.40
  4. Step 4: Simplify right side
    443,618.20x = 108,516,153,973.02
  5. Step 5: Solve for x
    x = 108,516,153,973.02/443,618.20
  6. Step 6: Final answer
    x = 244,616.10

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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.