Home / 236,449.30-326,313.24-129,021.16

Finding the Fourth Proportional to 236,449.30, 326,313.24 and 129,021.16

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Solution

The fourth proportional to 236,449.30, 326,313.24 and 129,021.16 is: 178,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,449.30 : 326,313.24 = 129,021.16 : x
  2. Step 2: Convert to fraction form
    236,449.30/326,313.24 = 129,021.16/x
  3. Step 3: Cross multiply
    236,449.30x = 326,313.24 × 129,021.16
  4. Step 4: Simplify right side
    236,449.30x = 42,101,312,748.16
  5. Step 5: Solve for x
    x = 42,101,312,748.16/236,449.30
  6. Step 6: Final answer
    x = 178,056.41

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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.