Home / 345,332.40-518,306.28-176,967.36

Finding the Fourth Proportional to 345,332.40, 518,306.28 and 176,967.36

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Solution

The fourth proportional to 345,332.40, 518,306.28 and 176,967.36 is: 265,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,332.40 : 518,306.28 = 176,967.36 : x
  2. Step 2: Convert to fraction form
    345,332.40/518,306.28 = 176,967.36/x
  3. Step 3: Cross multiply
    345,332.40x = 518,306.28 × 176,967.36
  4. Step 4: Simplify right side
    345,332.40x = 91,723,294,043.02
  5. Step 5: Solve for x
    x = 91,723,294,043.02/345,332.40
  6. Step 6: Final answer
    x = 265,608.71

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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.