Home / 106,214.64-146,590.20-63,775.91

Finding the Fourth Proportional to 106,214.64, 146,590.20 and 63,775.91

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Solution

The fourth proportional to 106,214.64, 146,590.20 and 63,775.91 is: 88,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,214.64 : 146,590.20 = 63,775.91 : x
  2. Step 2: Convert to fraction form
    106,214.64/146,590.20 = 63,775.91/x
  3. Step 3: Cross multiply
    106,214.64x = 146,590.20 × 63,775.91
  4. Step 4: Simplify right side
    106,214.64x = 9,348,922,669.13
  5. Step 5: Solve for x
    x = 9,348,922,669.13/106,214.64
  6. Step 6: Final answer
    x = 88,019.15

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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.