Home / 201,718.14-278,248.20-124,206.30

Finding the Fourth Proportional to 201,718.14, 278,248.20 and 124,206.30

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Solution

The fourth proportional to 201,718.14, 278,248.20 and 124,206.30 is: 171,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,718.14 : 278,248.20 = 124,206.30 : x
  2. Step 2: Convert to fraction form
    201,718.14/278,248.20 = 124,206.30/x
  3. Step 3: Cross multiply
    201,718.14x = 278,248.20 × 124,206.30
  4. Step 4: Simplify right side
    201,718.14x = 34,560,179,403.66
  5. Step 5: Solve for x
    x = 34,560,179,403.66/201,718.14
  6. Step 6: Final answer
    x = 171,329.06

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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.