Home / 229,932.24-317,303.24-129,330

Finding the Fourth Proportional to 229,932.24, 317,303.24 and 129,330

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Solution

The fourth proportional to 229,932.24, 317,303.24 and 129,330 is: 178,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,932.24 : 317,303.24 = 129,330 : x
  2. Step 2: Convert to fraction form
    229,932.24/317,303.24 = 129,330/x
  3. Step 3: Cross multiply
    229,932.24x = 317,303.24 × 129,330
  4. Step 4: Simplify right side
    229,932.24x = 41,036,828,029.20
  5. Step 5: Solve for x
    x = 41,036,828,029.20/229,932.24
  6. Step 6: Final answer
    x = 178,473.57

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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.