Home / 161,412.20-242,204.70-67,927.40

Finding the Fourth Proportional to 161,412.20, 242,204.70 and 67,927.40

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Solution

The fourth proportional to 161,412.20, 242,204.70 and 67,927.40 is: 101,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,412.20 : 242,204.70 = 67,927.40 : x
  2. Step 2: Convert to fraction form
    161,412.20/242,204.70 = 67,927.40/x
  3. Step 3: Cross multiply
    161,412.20x = 242,204.70 × 67,927.40
  4. Step 4: Simplify right side
    161,412.20x = 16,452,335,538.78
  5. Step 5: Solve for x
    x = 16,452,335,538.78/161,412.20
  6. Step 6: Final answer
    x = 101,927.46

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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.