Home / 238,811.10-357,928.26-105,540.18

Finding the Fourth Proportional to 238,811.10, 357,928.26 and 105,540.18

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Solution

The fourth proportional to 238,811.10, 357,928.26 and 105,540.18 is: 158,182.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,811.10 : 357,928.26 = 105,540.18 : x
  2. Step 2: Convert to fraction form
    238,811.10/357,928.26 = 105,540.18/x
  3. Step 3: Cross multiply
    238,811.10x = 357,928.26 × 105,540.18
  4. Step 4: Simplify right side
    238,811.10x = 37,775,812,987.49
  5. Step 5: Solve for x
    x = 37,775,812,987.49/238,811.10
  6. Step 6: Final answer
    x = 158,182.82

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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.