Home / 222,928.35-307,641.10-127,437.18

Finding the Fourth Proportional to 222,928.35, 307,641.10 and 127,437.18

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Solution

The fourth proportional to 222,928.35, 307,641.10 and 127,437.18 is: 175,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,928.35 : 307,641.10 = 127,437.18 : x
  2. Step 2: Convert to fraction form
    222,928.35/307,641.10 = 127,437.18/x
  3. Step 3: Cross multiply
    222,928.35x = 307,641.10 × 127,437.18
  4. Step 4: Simplify right side
    222,928.35x = 39,204,914,236.10
  5. Step 5: Solve for x
    x = 39,204,914,236.10/222,928.35
  6. Step 6: Final answer
    x = 175,863.30

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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.