Home / 234,619.40-351,925.80-57,126.80

Finding the Fourth Proportional to 234,619.40, 351,925.80 and 57,126.80

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Solution

The fourth proportional to 234,619.40, 351,925.80 and 57,126.80 is: 85,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,619.40 : 351,925.80 = 57,126.80 : x
  2. Step 2: Convert to fraction form
    234,619.40/351,925.80 = 57,126.80/x
  3. Step 3: Cross multiply
    234,619.40x = 351,925.80 × 57,126.80
  4. Step 4: Simplify right side
    234,619.40x = 20,104,394,791.44
  5. Step 5: Solve for x
    x = 20,104,394,791.44/234,619.40
  6. Step 6: Final answer
    x = 85,689.40

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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.