Home / 313,265.10-469,897.65-76,610.10

Finding the Fourth Proportional to 313,265.10, 469,897.65 and 76,610.10

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Solution

The fourth proportional to 313,265.10, 469,897.65 and 76,610.10 is: 114,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,265.10 : 469,897.65 = 76,610.10 : x
  2. Step 2: Convert to fraction form
    313,265.10/469,897.65 = 76,610.10/x
  3. Step 3: Cross multiply
    313,265.10x = 469,897.65 × 76,610.10
  4. Step 4: Simplify right side
    313,265.10x = 35,998,905,956.27
  5. Step 5: Solve for x
    x = 35,998,905,956.27/313,265.10
  6. Step 6: Final answer
    x = 114,915.15

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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.