Home / 106,378.65-146,803.55-58,633.83

Finding the Fourth Proportional to 106,378.65, 146,803.55 and 58,633.83

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Solution

The fourth proportional to 106,378.65, 146,803.55 and 58,633.83 is: 80,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,378.65 : 146,803.55 = 58,633.83 : x
  2. Step 2: Convert to fraction form
    106,378.65/146,803.55 = 58,633.83/x
  3. Step 3: Cross multiply
    106,378.65x = 146,803.55 × 58,633.83
  4. Step 4: Simplify right side
    106,378.65x = 8,607,654,394.10
  5. Step 5: Solve for x
    x = 8,607,654,394.10/106,378.65
  6. Step 6: Final answer
    x = 80,915.24

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1.5x scale

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.