Home / 351,922.40-527,932.20-127,228.40

Finding the Fourth Proportional to 351,922.40, 527,932.20 and 127,228.40

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Solution

The fourth proportional to 351,922.40, 527,932.20 and 127,228.40 is: 190,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,922.40 : 527,932.20 = 127,228.40 : x
  2. Step 2: Convert to fraction form
    351,922.40/527,932.20 = 127,228.40/x
  3. Step 3: Cross multiply
    351,922.40x = 527,932.20 × 127,228.40
  4. Step 4: Simplify right side
    351,922.40x = 67,167,969,114.48
  5. Step 5: Solve for x
    x = 67,167,969,114.48/351,922.40
  6. Step 6: Final answer
    x = 190,860.17

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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.