Home / 183,981.90-276,079.92-77,358.13

Finding the Fourth Proportional to 183,981.90, 276,079.92 and 77,358.13

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Solution

The fourth proportional to 183,981.90, 276,079.92 and 77,358.13 is: 116,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,981.90 : 276,079.92 = 77,358.13 : x
  2. Step 2: Convert to fraction form
    183,981.90/276,079.92 = 77,358.13/x
  3. Step 3: Cross multiply
    183,981.90x = 276,079.92 × 77,358.13
  4. Step 4: Simplify right side
    183,981.90x = 21,357,027,567.12
  5. Step 5: Solve for x
    x = 21,357,027,567.12/183,981.90
  6. Step 6: Final answer
    x = 116,082.22

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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.