Home / 235,403.75-353,151.09-100,465.85

Finding the Fourth Proportional to 235,403.75, 353,151.09 and 100,465.85

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Solution

The fourth proportional to 235,403.75, 353,151.09 and 100,465.85 is: 150,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,403.75 : 353,151.09 = 100,465.85 : x
  2. Step 2: Convert to fraction form
    235,403.75/353,151.09 = 100,465.85/x
  3. Step 3: Cross multiply
    235,403.75x = 353,151.09 × 100,465.85
  4. Step 4: Simplify right side
    235,403.75x = 35,479,622,669.52
  5. Step 5: Solve for x
    x = 35,479,622,669.52/235,403.75
  6. Step 6: Final answer
    x = 150,718.17

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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.