Home / 177,655.20-245,167.20-106,021.32

Finding the Fourth Proportional to 177,655.20, 245,167.20 and 106,021.32

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Solution

The fourth proportional to 177,655.20, 245,167.20 and 106,021.32 is: 146,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,655.20 : 245,167.20 = 106,021.32 : x
  2. Step 2: Convert to fraction form
    177,655.20/245,167.20 = 106,021.32/x
  3. Step 3: Cross multiply
    177,655.20x = 245,167.20 × 106,021.32
  4. Step 4: Simplify right side
    177,655.20x = 25,992,950,164.70
  5. Step 5: Solve for x
    x = 25,992,950,164.70/177,655.20
  6. Step 6: Final answer
    x = 146,311.23

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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.