Home / 106,122.16-159,128.46-31,232.59

Finding the Fourth Proportional to 106,122.16, 159,128.46 and 31,232.59

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Solution

The fourth proportional to 106,122.16, 159,128.46 and 31,232.59 is: 46,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,122.16 : 159,128.46 = 31,232.59 : x
  2. Step 2: Convert to fraction form
    106,122.16/159,128.46 = 31,232.59/x
  3. Step 3: Cross multiply
    106,122.16x = 159,128.46 × 31,232.59
  4. Step 4: Simplify right side
    106,122.16x = 4,969,993,948.51
  5. Step 5: Solve for x
    x = 4,969,993,948.51/106,122.16
  6. Step 6: Final answer
    x = 46,832.76

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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.