Home / 131,053.29-180,852.60-74,464.67

Finding the Fourth Proportional to 131,053.29, 180,852.60 and 74,464.67

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Solution

The fourth proportional to 131,053.29, 180,852.60 and 74,464.67 is: 102,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,053.29 : 180,852.60 = 74,464.67 : x
  2. Step 2: Convert to fraction form
    131,053.29/180,852.60 = 74,464.67/x
  3. Step 3: Cross multiply
    131,053.29x = 180,852.60 × 74,464.67
  4. Step 4: Simplify right side
    131,053.29x = 13,467,129,177.64
  5. Step 5: Solve for x
    x = 13,467,129,177.64/131,053.29
  6. Step 6: Final answer
    x = 102,760.71

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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.