Home / 264,785.20-396,521.70-169,869.40

Finding the Fourth Proportional to 264,785.20, 396,521.70 and 169,869.40

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Solution

The fourth proportional to 264,785.20, 396,521.70 and 169,869.40 is: 254,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,785.20 : 396,521.70 = 169,869.40 : x
  2. Step 2: Convert to fraction form
    264,785.20/396,521.70 = 169,869.40/x
  3. Step 3: Cross multiply
    264,785.20x = 396,521.70 × 169,869.40
  4. Step 4: Simplify right side
    264,785.20x = 67,356,903,265.98
  5. Step 5: Solve for x
    x = 67,356,903,265.98/264,785.20
  6. Step 6: Final answer
    x = 254,383.19

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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.