Home / 309,937.95-464,726.27-120,176.62

Finding the Fourth Proportional to 309,937.95, 464,726.27 and 120,176.62

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Solution

The fourth proportional to 309,937.95, 464,726.27 and 120,176.62 is: 180,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,937.95 : 464,726.27 = 120,176.62 : x
  2. Step 2: Convert to fraction form
    309,937.95/464,726.27 = 120,176.62/x
  3. Step 3: Cross multiply
    309,937.95x = 464,726.27 × 120,176.62
  4. Step 4: Simplify right side
    309,937.95x = 55,849,231,492.43
  5. Step 5: Solve for x
    x = 55,849,231,492.43/309,937.95
  6. Step 6: Final answer
    x = 180,194.88

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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.