Home / 109,890.30-164,932.65-94,143.90

Finding the Fourth Proportional to 109,890.30, 164,932.65 and 94,143.90

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Solution

The fourth proportional to 109,890.30, 164,932.65 and 94,143.90 is: 141,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,890.30 : 164,932.65 = 94,143.90 : x
  2. Step 2: Convert to fraction form
    109,890.30/164,932.65 = 94,143.90/x
  3. Step 3: Cross multiply
    109,890.30x = 164,932.65 × 94,143.90
  4. Step 4: Simplify right side
    109,890.30x = 15,527,402,908.34
  5. Step 5: Solve for x
    x = 15,527,402,908.34/109,890.30
  6. Step 6: Final answer
    x = 141,299.12

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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.