Home / 348,972.30-523,443.87-112,309.74

Finding the Fourth Proportional to 348,972.30, 523,443.87 and 112,309.74

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Solution

The fourth proportional to 348,972.30, 523,443.87 and 112,309.74 is: 168,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,972.30 : 523,443.87 = 112,309.74 : x
  2. Step 2: Convert to fraction form
    348,972.30/523,443.87 = 112,309.74/x
  3. Step 3: Cross multiply
    348,972.30x = 523,443.87 × 112,309.74
  4. Step 4: Simplify right side
    348,972.30x = 58,787,844,944.29
  5. Step 5: Solve for x
    x = 58,787,844,944.29/348,972.30
  6. Step 6: Final answer
    x = 168,459.92

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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.