Home / 120,604.74-180,907.38-58,231.50

Finding the Fourth Proportional to 120,604.74, 180,907.38 and 58,231.50

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Solution

The fourth proportional to 120,604.74, 180,907.38 and 58,231.50 is: 87,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,604.74 : 180,907.38 = 58,231.50 : x
  2. Step 2: Convert to fraction form
    120,604.74/180,907.38 = 58,231.50/x
  3. Step 3: Cross multiply
    120,604.74x = 180,907.38 × 58,231.50
  4. Step 4: Simplify right side
    120,604.74x = 10,534,508,098.47
  5. Step 5: Solve for x
    x = 10,534,508,098.47/120,604.74
  6. Step 6: Final answer
    x = 87,347.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.