Home / 117,237.50-161,786.80-63,522.35

Finding the Fourth Proportional to 117,237.50, 161,786.80 and 63,522.35

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Solution

The fourth proportional to 117,237.50, 161,786.80 and 63,522.35 is: 87,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,237.50 : 161,786.80 = 63,522.35 : x
  2. Step 2: Convert to fraction form
    117,237.50/161,786.80 = 63,522.35/x
  3. Step 3: Cross multiply
    117,237.50x = 161,786.80 × 63,522.35
  4. Step 4: Simplify right side
    117,237.50x = 10,277,077,734.98
  5. Step 5: Solve for x
    x = 10,277,077,734.98/117,237.50
  6. Step 6: Final answer
    x = 87,660.33

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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.