Home / 132,947.84-199,496.28-70,616.72

Finding the Fourth Proportional to 132,947.84, 199,496.28 and 70,616.72

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Solution

The fourth proportional to 132,947.84, 199,496.28 and 70,616.72 is: 105,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,947.84 : 199,496.28 = 70,616.72 : x
  2. Step 2: Convert to fraction form
    132,947.84/199,496.28 = 70,616.72/x
  3. Step 3: Cross multiply
    132,947.84x = 199,496.28 × 70,616.72
  4. Step 4: Simplify right side
    132,947.84x = 14,087,772,945.80
  5. Step 5: Solve for x
    x = 14,087,772,945.80/132,947.84
  6. Step 6: Final answer
    x = 105,964.66

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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.