Home / 131,022.35-180,809.73-73,661.92

Finding the Fourth Proportional to 131,022.35, 180,809.73 and 73,661.92

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Solution

The fourth proportional to 131,022.35, 180,809.73 and 73,661.92 is: 101,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,022.35 : 180,809.73 = 73,661.92 : x
  2. Step 2: Convert to fraction form
    131,022.35/180,809.73 = 73,661.92/x
  3. Step 3: Cross multiply
    131,022.35x = 180,809.73 × 73,661.92
  4. Step 4: Simplify right side
    131,022.35x = 13,318,791,866.48
  5. Step 5: Solve for x
    x = 13,318,791,866.48/131,022.35
  6. Step 6: Final answer
    x = 101,652.82

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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.