Home / 110,139.66-165,216.30-31,260.06

Finding the Fourth Proportional to 110,139.66, 165,216.30 and 31,260.06

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Solution

The fourth proportional to 110,139.66, 165,216.30 and 31,260.06 is: 46,892.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,139.66 : 165,216.30 = 31,260.06 : x
  2. Step 2: Convert to fraction form
    110,139.66/165,216.30 = 31,260.06/x
  3. Step 3: Cross multiply
    110,139.66x = 165,216.30 × 31,260.06
  4. Step 4: Simplify right side
    110,139.66x = 5,164,671,450.98
  5. Step 5: Solve for x
    x = 5,164,671,450.98/110,139.66
  6. Step 6: Final answer
    x = 46,892.02

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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.