Home / 134,178.13-185,328.21-97,822

Finding the Fourth Proportional to 134,178.13, 185,328.21 and 97,822

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Solution

The fourth proportional to 134,178.13, 185,328.21 and 97,822 is: 135,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,178.13 : 185,328.21 = 97,822 : x
  2. Step 2: Convert to fraction form
    134,178.13/185,328.21 = 97,822/x
  3. Step 3: Cross multiply
    134,178.13x = 185,328.21 × 97,822
  4. Step 4: Simplify right side
    134,178.13x = 18,129,176,158.62
  5. Step 5: Solve for x
    x = 18,129,176,158.62/134,178.13
  6. Step 6: Final answer
    x = 135,112.75

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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.