Home / 166,022.40-247,738.70-148,130.08

Finding the Fourth Proportional to 166,022.40, 247,738.70 and 148,130.08

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Solution

The fourth proportional to 166,022.40, 247,738.70 and 148,130.08 is: 221,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,022.40 : 247,738.70 = 148,130.08 : x
  2. Step 2: Convert to fraction form
    166,022.40/247,738.70 = 148,130.08/x
  3. Step 3: Cross multiply
    166,022.40x = 247,738.70 × 148,130.08
  4. Step 4: Simplify right side
    166,022.40x = 36,697,553,450.10
  5. Step 5: Solve for x
    x = 36,697,553,450.10/166,022.40
  6. Step 6: Final answer
    x = 221,039.77

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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.