Home / 131,224.29-180,996.21-87,594.84

Finding the Fourth Proportional to 131,224.29, 180,996.21 and 87,594.84

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Solution

The fourth proportional to 131,224.29, 180,996.21 and 87,594.84 is: 120,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,224.29 : 180,996.21 = 87,594.84 : x
  2. Step 2: Convert to fraction form
    131,224.29/180,996.21 = 87,594.84/x
  3. Step 3: Cross multiply
    131,224.29x = 180,996.21 × 87,594.84
  4. Step 4: Simplify right side
    131,224.29x = 15,854,334,055.56
  5. Step 5: Solve for x
    x = 15,854,334,055.56/131,224.29
  6. Step 6: Final answer
    x = 120,818.59

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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.