Home / 201,708.12-278,234.40-124,196.24

Finding the Fourth Proportional to 201,708.12, 278,234.40 and 124,196.24

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Solution

The fourth proportional to 201,708.12, 278,234.40 and 124,196.24 is: 171,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,708.12 : 278,234.40 = 124,196.24 : x
  2. Step 2: Convert to fraction form
    201,708.12/278,234.40 = 124,196.24/x
  3. Step 3: Cross multiply
    201,708.12x = 278,234.40 × 124,196.24
  4. Step 4: Simplify right side
    201,708.12x = 34,555,666,318.66
  5. Step 5: Solve for x
    x = 34,555,666,318.66/201,708.12
  6. Step 6: Final answer
    x = 171,315.20

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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.