Home / 398,125.77-597,184.93-161,412.18

Finding the Fourth Proportional to 398,125.77, 597,184.93 and 161,412.18

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Solution

The fourth proportional to 398,125.77, 597,184.93 and 161,412.18 is: 242,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,125.77 : 597,184.93 = 161,412.18 : x
  2. Step 2: Convert to fraction form
    398,125.77/597,184.93 = 161,412.18/x
  3. Step 3: Cross multiply
    398,125.77x = 597,184.93 × 161,412.18
  4. Step 4: Simplify right side
    398,125.77x = 96,392,918,428.52
  5. Step 5: Solve for x
    x = 96,392,918,428.52/398,125.77
  6. Step 6: Final answer
    x = 242,116.76

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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.