Home / 102,293.20-153,439.82-31,216.22

Finding the Fourth Proportional to 102,293.20, 153,439.82 and 31,216.22

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Solution

The fourth proportional to 102,293.20, 153,439.82 and 31,216.22 is: 46,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,293.20 : 153,439.82 = 31,216.22 : x
  2. Step 2: Convert to fraction form
    102,293.20/153,439.82 = 31,216.22/x
  3. Step 3: Cross multiply
    102,293.20x = 153,439.82 × 31,216.22
  4. Step 4: Simplify right side
    102,293.20x = 4,789,810,947.06
  5. Step 5: Solve for x
    x = 4,789,810,947.06/102,293.20
  6. Step 6: Final answer
    x = 46,824.34

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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.