Home / 229,265.90-343,315.65-218,768.30

Finding the Fourth Proportional to 229,265.90, 343,315.65 and 218,768.30

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Solution

The fourth proportional to 229,265.90, 343,315.65 and 218,768.30 is: 327,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,265.90 : 343,315.65 = 218,768.30 : x
  2. Step 2: Convert to fraction form
    229,265.90/343,315.65 = 218,768.30/x
  3. Step 3: Cross multiply
    229,265.90x = 343,315.65 × 218,768.30
  4. Step 4: Simplify right side
    229,265.90x = 75,106,581,113.90
  5. Step 5: Solve for x
    x = 75,106,581,113.90/229,265.90
  6. Step 6: Final answer
    x = 327,595.95

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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.