Home / 297,113.82-409,980.24-189,746.70

Finding the Fourth Proportional to 297,113.82, 409,980.24 and 189,746.70

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Solution

The fourth proportional to 297,113.82, 409,980.24 and 189,746.70 is: 261,826.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,113.82 : 409,980.24 = 189,746.70 : x
  2. Step 2: Convert to fraction form
    297,113.82/409,980.24 = 189,746.70/x
  3. Step 3: Cross multiply
    297,113.82x = 409,980.24 × 189,746.70
  4. Step 4: Simplify right side
    297,113.82x = 77,792,397,605.21
  5. Step 5: Solve for x
    x = 77,792,397,605.21/297,113.82
  6. Step 6: Final answer
    x = 261,826.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.