Home / 164,780.74-227,391.33-89,327.62

Finding the Fourth Proportional to 164,780.74, 227,391.33 and 89,327.62

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Solution

The fourth proportional to 164,780.74, 227,391.33 and 89,327.62 is: 123,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,780.74 : 227,391.33 = 89,327.62 : x
  2. Step 2: Convert to fraction form
    164,780.74/227,391.33 = 89,327.62/x
  3. Step 3: Cross multiply
    164,780.74x = 227,391.33 × 89,327.62
  4. Step 4: Simplify right side
    164,780.74x = 20,312,326,317.53
  5. Step 5: Solve for x
    x = 20,312,326,317.53/164,780.74
  6. Step 6: Final answer
    x = 123,268.81

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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.