Home / 106,210.52-159,260.93-31,321.15

Finding the Fourth Proportional to 106,210.52, 159,260.93 and 31,321.15

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Solution

The fourth proportional to 106,210.52, 159,260.93 and 31,321.15 is: 46,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,210.52 : 159,260.93 = 31,321.15 : x
  2. Step 2: Convert to fraction form
    106,210.52/159,260.93 = 31,321.15/x
  3. Step 3: Cross multiply
    106,210.52x = 159,260.93 × 31,321.15
  4. Step 4: Simplify right side
    106,210.52x = 4,988,235,216.55
  5. Step 5: Solve for x
    x = 4,988,235,216.55/106,210.52
  6. Step 6: Final answer
    x = 46,965.55

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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.