Home / 166,015.51-247,728.45-148,123.18

Finding the Fourth Proportional to 166,015.51, 247,728.45 and 148,123.18

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Solution

The fourth proportional to 166,015.51, 247,728.45 and 148,123.18 is: 221,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,015.51 : 247,728.45 = 148,123.18 : x
  2. Step 2: Convert to fraction form
    166,015.51/247,728.45 = 148,123.18/x
  3. Step 3: Cross multiply
    166,015.51x = 247,728.45 × 148,123.18
  4. Step 4: Simplify right side
    166,015.51x = 36,694,325,790.47
  5. Step 5: Solve for x
    x = 36,694,325,790.47/166,015.51
  6. Step 6: Final answer
    x = 221,029.50

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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.