Home / 309,109.19-463,695.25-106,678.95

Finding the Fourth Proportional to 309,109.19, 463,695.25 and 106,678.95

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Solution

The fourth proportional to 309,109.19, 463,695.25 and 106,678.95 is: 160,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,109.19 : 463,695.25 = 106,678.95 : x
  2. Step 2: Convert to fraction form
    309,109.19/463,695.25 = 106,678.95/x
  3. Step 3: Cross multiply
    309,109.19x = 463,695.25 × 106,678.95
  4. Step 4: Simplify right side
    309,109.19x = 49,466,523,345.91
  5. Step 5: Solve for x
    x = 49,466,523,345.91/309,109.19
  6. Step 6: Final answer
    x = 160,029.29

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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.