Home / 229,458.48-343,951.20-166,121.70

Finding the Fourth Proportional to 229,458.48, 343,951.20 and 166,121.70

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Solution

The fourth proportional to 229,458.48, 343,951.20 and 166,121.70 is: 249,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,458.48 : 343,951.20 = 166,121.70 : x
  2. Step 2: Convert to fraction form
    229,458.48/343,951.20 = 166,121.70/x
  3. Step 3: Cross multiply
    229,458.48x = 343,951.20 × 166,121.70
  4. Step 4: Simplify right side
    229,458.48x = 57,137,758,061.04
  5. Step 5: Solve for x
    x = 57,137,758,061.04/229,458.48
  6. Step 6: Final answer
    x = 249,011.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.