Home / 258,899.55-357,097.34-172,815.14

Finding the Fourth Proportional to 258,899.55, 357,097.34 and 172,815.14

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Solution

The fourth proportional to 258,899.55, 357,097.34 and 172,815.14 is: 238,362.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,899.55 : 357,097.34 = 172,815.14 : x
  2. Step 2: Convert to fraction form
    258,899.55/357,097.34 = 172,815.14/x
  3. Step 3: Cross multiply
    258,899.55x = 357,097.34 × 172,815.14
  4. Step 4: Simplify right side
    258,899.55x = 61,711,825,020.24
  5. Step 5: Solve for x
    x = 61,711,825,020.24/258,899.55
  6. Step 6: Final answer
    x = 238,362.04

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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.