Home / 133,230.28-183,863.14-76,641.64

Finding the Fourth Proportional to 133,230.28, 183,863.14 and 76,641.64

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Solution

The fourth proportional to 133,230.28, 183,863.14 and 76,641.64 is: 105,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,230.28 : 183,863.14 = 76,641.64 : x
  2. Step 2: Convert to fraction form
    133,230.28/183,863.14 = 76,641.64/x
  3. Step 3: Cross multiply
    133,230.28x = 183,863.14 × 76,641.64
  4. Step 4: Simplify right side
    133,230.28x = 14,091,572,585.15
  5. Step 5: Solve for x
    x = 14,091,572,585.15/133,230.28
  6. Step 6: Final answer
    x = 105,768.54

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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.