Home / 235,439.75-353,161.00-57,945.57

Finding the Fourth Proportional to 235,439.75, 353,161.00 and 57,945.57

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Solution

The fourth proportional to 235,439.75, 353,161.00 and 57,945.57 is: 86,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,439.75 : 353,161.00 = 57,945.57 : x
  2. Step 2: Convert to fraction form
    235,439.75/353,161.00 = 57,945.57/x
  3. Step 3: Cross multiply
    235,439.75x = 353,161.00 × 57,945.57
  4. Step 4: Simplify right side
    235,439.75x = 20,464,113,868.90
  5. Step 5: Solve for x
    x = 20,464,113,868.90/235,439.75
  6. Step 6: Final answer
    x = 86,918.69

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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.