Home / 188,782.83-260,522.15-103,901.85

Finding the Fourth Proportional to 188,782.83, 260,522.15 and 103,901.85

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Solution

The fourth proportional to 188,782.83, 260,522.15 and 103,901.85 is: 143,385.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,782.83 : 260,522.15 = 103,901.85 : x
  2. Step 2: Convert to fraction form
    188,782.83/260,522.15 = 103,901.85/x
  3. Step 3: Cross multiply
    188,782.83x = 260,522.15 × 103,901.85
  4. Step 4: Simplify right side
    188,782.83x = 27,068,732,831.47
  5. Step 5: Solve for x
    x = 27,068,732,831.47/188,782.83
  6. Step 6: Final answer
    x = 143,385.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.