Home / 346,983.60-520,672.28-159,995.12

Finding the Fourth Proportional to 346,983.60, 520,672.28 and 159,995.12

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Solution

The fourth proportional to 346,983.60, 520,672.28 and 159,995.12 is: 240,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,983.60 : 520,672.28 = 159,995.12 : x
  2. Step 2: Convert to fraction form
    346,983.60/520,672.28 = 159,995.12/x
  3. Step 3: Cross multiply
    346,983.60x = 520,672.28 × 159,995.12
  4. Step 4: Simplify right side
    346,983.60x = 83,305,023,919.27
  5. Step 5: Solve for x
    x = 83,305,023,919.27/346,983.60
  6. Step 6: Final answer
    x = 240,083.46

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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.