Home / 258,999.12-357,294.56-168,383.52

Finding the Fourth Proportional to 258,999.12, 357,294.56 and 168,383.52

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Solution

The fourth proportional to 258,999.12, 357,294.56 and 168,383.52 is: 232,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,999.12 : 357,294.56 = 168,383.52 : x
  2. Step 2: Convert to fraction form
    258,999.12/357,294.56 = 168,383.52/x
  3. Step 3: Cross multiply
    258,999.12x = 357,294.56 × 168,383.52
  4. Step 4: Simplify right side
    258,999.12x = 60,162,515,689.65
  5. Step 5: Solve for x
    x = 60,162,515,689.65/258,999.12
  6. Step 6: Final answer
    x = 232,288.49

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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.