Home / 236,248.40-353,789.40-156,933.20

Finding the Fourth Proportional to 236,248.40, 353,789.40 and 156,933.20

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Solution

The fourth proportional to 236,248.40, 353,789.40 and 156,933.20 is: 235,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,248.40 : 353,789.40 = 156,933.20 : x
  2. Step 2: Convert to fraction form
    236,248.40/353,789.40 = 156,933.20/x
  3. Step 3: Cross multiply
    236,248.40x = 353,789.40 × 156,933.20
  4. Step 4: Simplify right side
    236,248.40x = 55,521,302,668.08
  5. Step 5: Solve for x
    x = 55,521,302,668.08/236,248.40
  6. Step 6: Final answer
    x = 235,012.40

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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.