Home / 141,965.10-212,947.65-106,535.70

Finding the Fourth Proportional to 141,965.10, 212,947.65 and 106,535.70

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Solution

The fourth proportional to 141,965.10, 212,947.65 and 106,535.70 is: 159,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,965.10 : 212,947.65 = 106,535.70 : x
  2. Step 2: Convert to fraction form
    141,965.10/212,947.65 = 106,535.70/x
  3. Step 3: Cross multiply
    141,965.10x = 212,947.65 × 106,535.70
  4. Step 4: Simplify right side
    141,965.10x = 22,686,526,956.11
  5. Step 5: Solve for x
    x = 22,686,526,956.11/141,965.10
  6. Step 6: Final answer
    x = 159,803.55

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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.