Home / 269,265.20-403,897.80-79,732.40

Finding the Fourth Proportional to 269,265.20, 403,897.80 and 79,732.40

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Solution

The fourth proportional to 269,265.20, 403,897.80 and 79,732.40 is: 119,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,265.20 : 403,897.80 = 79,732.40 : x
  2. Step 2: Convert to fraction form
    269,265.20/403,897.80 = 79,732.40/x
  3. Step 3: Cross multiply
    269,265.20x = 403,897.80 × 79,732.40
  4. Step 4: Simplify right side
    269,265.20x = 32,203,740,948.72
  5. Step 5: Solve for x
    x = 32,203,740,948.72/269,265.20
  6. Step 6: Final answer
    x = 119,598.60

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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.