Home / 107,916.30-161,874.45-107,225.10

Finding the Fourth Proportional to 107,916.30, 161,874.45 and 107,225.10

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Solution

The fourth proportional to 107,916.30, 161,874.45 and 107,225.10 is: 160,837.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,916.30 : 161,874.45 = 107,225.10 : x
  2. Step 2: Convert to fraction form
    107,916.30/161,874.45 = 107,225.10/x
  3. Step 3: Cross multiply
    107,916.30x = 161,874.45 × 107,225.10
  4. Step 4: Simplify right side
    107,916.30x = 17,357,004,088.70
  5. Step 5: Solve for x
    x = 17,357,004,088.70/107,916.30
  6. Step 6: Final answer
    x = 160,837.65

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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.