Home / 106,330.91-146,741.60-63,300.65

Finding the Fourth Proportional to 106,330.91, 146,741.60 and 63,300.65

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Solution

The fourth proportional to 106,330.91, 146,741.60 and 63,300.65 is: 87,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,330.91 : 146,741.60 = 63,300.65 : x
  2. Step 2: Convert to fraction form
    106,330.91/146,741.60 = 63,300.65/x
  3. Step 3: Cross multiply
    106,330.91x = 146,741.60 × 63,300.65
  4. Step 4: Simplify right side
    106,330.91x = 9,288,838,086.58
  5. Step 5: Solve for x
    x = 9,288,838,086.58/106,330.91
  6. Step 6: Final answer
    x = 87,357.84

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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.