Home / 106,117.66-159,121.72-31,228.08

Finding the Fourth Proportional to 106,117.66, 159,121.72 and 31,228.08

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Solution

The fourth proportional to 106,117.66, 159,121.72 and 31,228.08 is: 46,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,117.66 : 159,121.72 = 31,228.08 : x
  2. Step 2: Convert to fraction form
    106,117.66/159,121.72 = 31,228.08/x
  3. Step 3: Cross multiply
    106,117.66x = 159,121.72 × 31,228.08
  4. Step 4: Simplify right side
    106,117.66x = 4,969,065,801.90
  5. Step 5: Solve for x
    x = 4,969,065,801.90/106,117.66
  6. Step 6: Final answer
    x = 46,826.00

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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.