Home / 346,867.07-520,293.31-159,878.57

Finding the Fourth Proportional to 346,867.07, 520,293.31 and 159,878.57

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Solution

The fourth proportional to 346,867.07, 520,293.31 and 159,878.57 is: 239,814.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,867.07 : 520,293.31 = 159,878.57 : x
  2. Step 2: Convert to fraction form
    346,867.07/520,293.31 = 159,878.57/x
  3. Step 3: Cross multiply
    346,867.07x = 520,293.31 × 159,878.57
  4. Step 4: Simplify right side
    346,867.07x = 83,183,747,382.20
  5. Step 5: Solve for x
    x = 83,183,747,382.20/346,867.07
  6. Step 6: Final answer
    x = 239,814.49

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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.