Home / 151,625.46-209,245.56-83,641.22

Finding the Fourth Proportional to 151,625.46, 209,245.56 and 83,641.22

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Solution

The fourth proportional to 151,625.46, 209,245.56 and 83,641.22 is: 115,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,625.46 : 209,245.56 = 83,641.22 : x
  2. Step 2: Convert to fraction form
    151,625.46/209,245.56 = 83,641.22/x
  3. Step 3: Cross multiply
    151,625.46x = 209,245.56 × 83,641.22
  4. Step 4: Simplify right side
    151,625.46x = 17,501,553,917.98
  5. Step 5: Solve for x
    x = 17,501,553,917.98/151,625.46
  6. Step 6: Final answer
    x = 115,426.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.