Home / 109,250.29-163,875.43-39,178.81

Finding the Fourth Proportional to 109,250.29, 163,875.43 and 39,178.81

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Solution

The fourth proportional to 109,250.29, 163,875.43 and 39,178.81 is: 58,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,250.29 : 163,875.43 = 39,178.81 : x
  2. Step 2: Convert to fraction form
    109,250.29/163,875.43 = 39,178.81/x
  3. Step 3: Cross multiply
    109,250.29x = 163,875.43 × 39,178.81
  4. Step 4: Simplify right side
    109,250.29x = 6,420,443,418.31
  5. Step 5: Solve for x
    x = 6,420,443,418.31/109,250.29
  6. Step 6: Final answer
    x = 58,768.21

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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.