Home / 238,290.15-356,890.85-113,718.63

Finding the Fourth Proportional to 238,290.15, 356,890.85 and 113,718.63

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Solution

The fourth proportional to 238,290.15, 356,890.85 and 113,718.63 is: 170,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,290.15 : 356,890.85 = 113,718.63 : x
  2. Step 2: Convert to fraction form
    238,290.15/356,890.85 = 113,718.63/x
  3. Step 3: Cross multiply
    238,290.15x = 356,890.85 × 113,718.63
  4. Step 4: Simplify right side
    238,290.15x = 40,585,137,952.94
  5. Step 5: Solve for x
    x = 40,585,137,952.94/238,290.15
  6. Step 6: Final answer
    x = 170,318.15

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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.