Home / 106,238.06-159,319.95-31,338.32

Finding the Fourth Proportional to 106,238.06, 159,319.95 and 31,338.32

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Solution

The fourth proportional to 106,238.06, 159,319.95 and 31,338.32 is: 46,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,238.06 : 159,319.95 = 31,338.32 : x
  2. Step 2: Convert to fraction form
    106,238.06/159,319.95 = 31,338.32/x
  3. Step 3: Cross multiply
    106,238.06x = 159,319.95 × 31,338.32
  4. Step 4: Simplify right side
    106,238.06x = 4,992,818,661.37
  5. Step 5: Solve for x
    x = 4,992,818,661.37/106,238.06
  6. Step 6: Final answer
    x = 46,996.52

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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.