Home / 122,327.60-183,491.40-111,441.20

Finding the Fourth Proportional to 122,327.60, 183,491.40 and 111,441.20

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Solution

The fourth proportional to 122,327.60, 183,491.40 and 111,441.20 is: 167,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,327.60 : 183,491.40 = 111,441.20 : x
  2. Step 2: Convert to fraction form
    122,327.60/183,491.40 = 111,441.20/x
  3. Step 3: Cross multiply
    122,327.60x = 183,491.40 × 111,441.20
  4. Step 4: Simplify right side
    122,327.60x = 20,448,501,805.68
  5. Step 5: Solve for x
    x = 20,448,501,805.68/122,327.60
  6. Step 6: Final answer
    x = 167,161.80

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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.