Home / 229,922.19-317,287.92-143,928.59

Finding the Fourth Proportional to 229,922.19, 317,287.92 and 143,928.59

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Solution

The fourth proportional to 229,922.19, 317,287.92 and 143,928.59 is: 198,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,922.19 : 317,287.92 = 143,928.59 : x
  2. Step 2: Convert to fraction form
    229,922.19/317,287.92 = 143,928.59/x
  3. Step 3: Cross multiply
    229,922.19x = 317,287.92 × 143,928.59
  4. Step 4: Simplify right side
    229,922.19x = 45,666,803,931.46
  5. Step 5: Solve for x
    x = 45,666,803,931.46/229,922.19
  6. Step 6: Final answer
    x = 198,618.52

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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.