Home / 238,759.12-358,015.43-70,257.55

Finding the Fourth Proportional to 238,759.12, 358,015.43 and 70,257.55

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Solution

The fourth proportional to 238,759.12, 358,015.43 and 70,257.55 is: 105,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,759.12 : 358,015.43 = 70,257.55 : x
  2. Step 2: Convert to fraction form
    238,759.12/358,015.43 = 70,257.55/x
  3. Step 3: Cross multiply
    238,759.12x = 358,015.43 × 70,257.55
  4. Step 4: Simplify right side
    238,759.12x = 25,153,285,568.43
  5. Step 5: Solve for x
    x = 25,153,285,568.43/238,759.12
  6. Step 6: Final answer
    x = 105,350.05

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1.5x scale

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.