Home / 345,964.59-518,908.28-93,270.24

Finding the Fourth Proportional to 345,964.59, 518,908.28 and 93,270.24

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Solution

The fourth proportional to 345,964.59, 518,908.28 and 93,270.24 is: 139,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,964.59 : 518,908.28 = 93,270.24 : x
  2. Step 2: Convert to fraction form
    345,964.59/518,908.28 = 93,270.24/x
  3. Step 3: Cross multiply
    345,964.59x = 518,908.28 × 93,270.24
  4. Step 4: Simplify right side
    345,964.59x = 48,398,699,347.24
  5. Step 5: Solve for x
    x = 48,398,699,347.24/345,964.59
  6. Step 6: Final answer
    x = 139,894.95

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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.