Home / 238,103.09-328,581.22-130,674.86

Finding the Fourth Proportional to 238,103.09, 328,581.22 and 130,674.86

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Solution

The fourth proportional to 238,103.09, 328,581.22 and 130,674.86 is: 180,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,103.09 : 328,581.22 = 130,674.86 : x
  2. Step 2: Convert to fraction form
    238,103.09/328,581.22 = 130,674.86/x
  3. Step 3: Cross multiply
    238,103.09x = 328,581.22 × 130,674.86
  4. Step 4: Simplify right side
    238,103.09x = 42,937,304,922.13
  5. Step 5: Solve for x
    x = 42,937,304,922.13/238,103.09
  6. Step 6: Final answer
    x = 180,330.73

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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.