Home / 106,225.20-159,365.13-31,342.32

Finding the Fourth Proportional to 106,225.20, 159,365.13 and 31,342.32

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Solution

The fourth proportional to 106,225.20, 159,365.13 and 31,342.32 is: 47,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,225.20 : 159,365.13 = 31,342.32 : x
  2. Step 2: Convert to fraction form
    106,225.20/159,365.13 = 31,342.32/x
  3. Step 3: Cross multiply
    106,225.20x = 159,365.13 × 31,342.32
  4. Step 4: Simplify right side
    106,225.20x = 4,994,872,901.30
  5. Step 5: Solve for x
    x = 4,994,872,901.30/106,225.20
  6. Step 6: Final answer
    x = 47,021.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.