Home / 269,274.20-403,787.12-79,666.76

Finding the Fourth Proportional to 269,274.20, 403,787.12 and 79,666.76

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Solution

The fourth proportional to 269,274.20, 403,787.12 and 79,666.76 is: 119,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,274.20 : 403,787.12 = 79,666.76 : x
  2. Step 2: Convert to fraction form
    269,274.20/403,787.12 = 79,666.76/x
  3. Step 3: Cross multiply
    269,274.20x = 403,787.12 × 79,666.76
  4. Step 4: Simplify right side
    269,274.20x = 32,168,411,580.13
  5. Step 5: Solve for x
    x = 32,168,411,580.13/269,274.20
  6. Step 6: Final answer
    x = 119,463.40

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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.