Home / 166,015.45-247,728.35-148,123.11

Finding the Fourth Proportional to 166,015.45, 247,728.35 and 148,123.11

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Solution

The fourth proportional to 166,015.45, 247,728.35 and 148,123.11 is: 221,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,015.45 : 247,728.35 = 148,123.11 : x
  2. Step 2: Convert to fraction form
    166,015.45/247,728.35 = 148,123.11/x
  3. Step 3: Cross multiply
    166,015.45x = 247,728.35 × 148,123.11
  4. Step 4: Simplify right side
    166,015.45x = 36,694,293,637.17
  5. Step 5: Solve for x
    x = 36,694,293,637.17/166,015.45
  6. Step 6: Final answer
    x = 221,029.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.