Home / 256,301.19-353,680.98-153,051.89

Finding the Fourth Proportional to 256,301.19, 353,680.98 and 153,051.89

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Solution

The fourth proportional to 256,301.19, 353,680.98 and 153,051.89 is: 211,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,301.19 : 353,680.98 = 153,051.89 : x
  2. Step 2: Convert to fraction form
    256,301.19/353,680.98 = 153,051.89/x
  3. Step 3: Cross multiply
    256,301.19x = 353,680.98 × 153,051.89
  4. Step 4: Simplify right side
    256,301.19x = 54,131,540,677.65
  5. Step 5: Solve for x
    x = 54,131,540,677.65/256,301.19
  6. Step 6: Final answer
    x = 211,202.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.