Home / 235,621.40-353,432.10-188,965.40

Finding the Fourth Proportional to 235,621.40, 353,432.10 and 188,965.40

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Solution

The fourth proportional to 235,621.40, 353,432.10 and 188,965.40 is: 283,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,621.40 : 353,432.10 = 188,965.40 : x
  2. Step 2: Convert to fraction form
    235,621.40/353,432.10 = 188,965.40/x
  3. Step 3: Cross multiply
    235,621.40x = 353,432.10 × 188,965.40
  4. Step 4: Simplify right side
    235,621.40x = 66,786,438,149.34
  5. Step 5: Solve for x
    x = 66,786,438,149.34/235,621.40
  6. Step 6: Final answer
    x = 283,448.10

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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.