Home / 351,351.20-527,026.80-193,498.40

Finding the Fourth Proportional to 351,351.20, 527,026.80 and 193,498.40

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Solution

The fourth proportional to 351,351.20, 527,026.80 and 193,498.40 is: 290,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,351.20 : 527,026.80 = 193,498.40 : x
  2. Step 2: Convert to fraction form
    351,351.20/527,026.80 = 193,498.40/x
  3. Step 3: Cross multiply
    351,351.20x = 527,026.80 × 193,498.40
  4. Step 4: Simplify right side
    351,351.20x = 101,978,842,557.12
  5. Step 5: Solve for x
    x = 101,978,842,557.12/351,351.20
  6. Step 6: Final answer
    x = 290,247.60

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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.