Home / 109,947.78-164,921.70-26,841.78

Finding the Fourth Proportional to 109,947.78, 164,921.70 and 26,841.78

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Solution

The fourth proportional to 109,947.78, 164,921.70 and 26,841.78 is: 40,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,947.78 : 164,921.70 = 26,841.78 : x
  2. Step 2: Convert to fraction form
    109,947.78/164,921.70 = 26,841.78/x
  3. Step 3: Cross multiply
    109,947.78x = 164,921.70 × 26,841.78
  4. Step 4: Simplify right side
    109,947.78x = 4,426,791,988.63
  5. Step 5: Solve for x
    x = 4,426,791,988.63/109,947.78
  6. Step 6: Final answer
    x = 40,262.68

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1.5x scale

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.