Home / 222,129.12-306,537.44-121,527.04

Finding the Fourth Proportional to 222,129.12, 306,537.44 and 121,527.04

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Solution

The fourth proportional to 222,129.12, 306,537.44 and 121,527.04 is: 167,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,129.12 : 306,537.44 = 121,527.04 : x
  2. Step 2: Convert to fraction form
    222,129.12/306,537.44 = 121,527.04/x
  3. Step 3: Cross multiply
    222,129.12x = 306,537.44 × 121,527.04
  4. Step 4: Simplify right side
    222,129.12x = 37,252,587,732.38
  5. Step 5: Solve for x
    x = 37,252,587,732.38/222,129.12
  6. Step 6: Final answer
    x = 167,706.91

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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.