Home / 133,154.44-183,728.76-75,790.36

Finding the Fourth Proportional to 133,154.44, 183,728.76 and 75,790.36

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Solution

The fourth proportional to 133,154.44, 183,728.76 and 75,790.36 is: 104,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,154.44 : 183,728.76 = 75,790.36 : x
  2. Step 2: Convert to fraction form
    133,154.44/183,728.76 = 75,790.36/x
  3. Step 3: Cross multiply
    133,154.44x = 183,728.76 × 75,790.36
  4. Step 4: Simplify right side
    133,154.44x = 13,924,868,862.75
  5. Step 5: Solve for x
    x = 13,924,868,862.75/133,154.44
  6. Step 6: Final answer
    x = 104,576.83

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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.