Home / 205,605.16-283,895.94-157,782.76

Finding the Fourth Proportional to 205,605.16, 283,895.94 and 157,782.76

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Solution

The fourth proportional to 205,605.16, 283,895.94 and 157,782.76 is: 217,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,605.16 : 283,895.94 = 157,782.76 : x
  2. Step 2: Convert to fraction form
    205,605.16/283,895.94 = 157,782.76/x
  3. Step 3: Cross multiply
    205,605.16x = 283,895.94 × 157,782.76
  4. Step 4: Simplify right side
    205,605.16x = 44,793,884,965.99
  5. Step 5: Solve for x
    x = 44,793,884,965.99/205,605.16
  6. Step 6: Final answer
    x = 217,863.62

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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.