Home / 230,222.63-317,634.13-129,601.19

Finding the Fourth Proportional to 230,222.63, 317,634.13 and 129,601.19

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Solution

The fourth proportional to 230,222.63, 317,634.13 and 129,601.19 is: 178,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,222.63 : 317,634.13 = 129,601.19 : x
  2. Step 2: Convert to fraction form
    230,222.63/317,634.13 = 129,601.19/x
  3. Step 3: Cross multiply
    230,222.63x = 317,634.13 × 129,601.19
  4. Step 4: Simplify right side
    230,222.63x = 41,165,761,232.61
  5. Step 5: Solve for x
    x = 41,165,761,232.61/230,222.63
  6. Step 6: Final answer
    x = 178,808.49

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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.