Home / 127,226.57-175,536.74-81,930.76

Finding the Fourth Proportional to 127,226.57, 175,536.74 and 81,930.76

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Solution

The fourth proportional to 127,226.57, 175,536.74 and 81,930.76 is: 113,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,226.57 : 175,536.74 = 81,930.76 : x
  2. Step 2: Convert to fraction form
    127,226.57/175,536.74 = 81,930.76/x
  3. Step 3: Cross multiply
    127,226.57x = 175,536.74 × 81,930.76
  4. Step 4: Simplify right side
    127,226.57x = 14,381,858,282.11
  5. Step 5: Solve for x
    x = 14,381,858,282.11/127,226.57
  6. Step 6: Final answer
    x = 113,041.32

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1.5x scale

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.