Home / 147,660.39-203,662.56-111,363.35

Finding the Fourth Proportional to 147,660.39, 203,662.56 and 111,363.35

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Solution

The fourth proportional to 147,660.39, 203,662.56 and 111,363.35 is: 153,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,660.39 : 203,662.56 = 111,363.35 : x
  2. Step 2: Convert to fraction form
    147,660.39/203,662.56 = 111,363.35/x
  3. Step 3: Cross multiply
    147,660.39x = 203,662.56 × 111,363.35
  4. Step 4: Simplify right side
    147,660.39x = 22,680,544,394.36
  5. Step 5: Solve for x
    x = 22,680,544,394.36/147,660.39
  6. Step 6: Final answer
    x = 153,599.38

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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.