Home / 217,023.40-325,535.10-154,037.80

Finding the Fourth Proportional to 217,023.40, 325,535.10 and 154,037.80

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Solution

The fourth proportional to 217,023.40, 325,535.10 and 154,037.80 is: 231,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,023.40 : 325,535.10 = 154,037.80 : x
  2. Step 2: Convert to fraction form
    217,023.40/325,535.10 = 154,037.80/x
  3. Step 3: Cross multiply
    217,023.40x = 325,535.10 × 154,037.80
  4. Step 4: Simplify right side
    217,023.40x = 50,144,710,626.78
  5. Step 5: Solve for x
    x = 50,144,710,626.78/217,023.40
  6. Step 6: Final answer
    x = 231,056.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.