Home / 106,378.72-146,809.36-58,632.05

Finding the Fourth Proportional to 106,378.72, 146,809.36 and 58,632.05

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Solution

The fourth proportional to 106,378.72, 146,809.36 and 58,632.05 is: 80,915.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,378.72 : 146,809.36 = 58,632.05 : x
  2. Step 2: Convert to fraction form
    106,378.72/146,809.36 = 58,632.05/x
  3. Step 3: Cross multiply
    106,378.72x = 146,809.36 × 58,632.05
  4. Step 4: Simplify right side
    106,378.72x = 8,607,734,176.30
  5. Step 5: Solve for x
    x = 8,607,734,176.30/106,378.72
  6. Step 6: Final answer
    x = 80,915.94

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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.