Home / 258,638.32-357,084.86-177,103.01

Finding the Fourth Proportional to 258,638.32, 357,084.86 and 177,103.01

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Solution

The fourth proportional to 258,638.32, 357,084.86 and 177,103.01 is: 244,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,638.32 : 357,084.86 = 177,103.01 : x
  2. Step 2: Convert to fraction form
    258,638.32/357,084.86 = 177,103.01/x
  3. Step 3: Cross multiply
    258,638.32x = 357,084.86 × 177,103.01
  4. Step 4: Simplify right side
    258,638.32x = 63,240,801,530.02
  5. Step 5: Solve for x
    x = 63,240,801,530.02/258,638.32
  6. Step 6: Final answer
    x = 244,514.43

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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.