Home / 109,417.98-151,040.29-94,043.66

Finding the Fourth Proportional to 109,417.98, 151,040.29 and 94,043.66

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Solution

The fourth proportional to 109,417.98, 151,040.29 and 94,043.66 is: 129,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,417.98 : 151,040.29 = 94,043.66 : x
  2. Step 2: Convert to fraction form
    109,417.98/151,040.29 = 94,043.66/x
  3. Step 3: Cross multiply
    109,417.98x = 151,040.29 × 94,043.66
  4. Step 4: Simplify right side
    109,417.98x = 14,204,381,536.57
  5. Step 5: Solve for x
    x = 14,204,381,536.57/109,417.98
  6. Step 6: Final answer
    x = 129,817.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.