Home / 236,882.99-326,899.38-129,453.04

Finding the Fourth Proportional to 236,882.99, 326,899.38 and 129,453.04

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Solution

The fourth proportional to 236,882.99, 326,899.38 and 129,453.04 is: 178,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,882.99 : 326,899.38 = 129,453.04 : x
  2. Step 2: Convert to fraction form
    236,882.99/326,899.38 = 129,453.04/x
  3. Step 3: Cross multiply
    236,882.99x = 326,899.38 × 129,453.04
  4. Step 4: Simplify right side
    236,882.99x = 42,318,118,515.12
  5. Step 5: Solve for x
    x = 42,318,118,515.12/236,882.99
  6. Step 6: Final answer
    x = 178,645.66

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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.