Home / 134,213.83-201,353.62-66,777.69

Finding the Fourth Proportional to 134,213.83, 201,353.62 and 66,777.69

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Solution

The fourth proportional to 134,213.83, 201,353.62 and 66,777.69 is: 100,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,213.83 : 201,353.62 = 66,777.69 : x
  2. Step 2: Convert to fraction form
    134,213.83/201,353.62 = 66,777.69/x
  3. Step 3: Cross multiply
    134,213.83x = 201,353.62 × 66,777.69
  4. Step 4: Simplify right side
    134,213.83x = 13,445,929,616.74
  5. Step 5: Solve for x
    x = 13,445,929,616.74/134,213.83
  6. Step 6: Final answer
    x = 100,182.89

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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.