Home / 151,613.84-227,420.76-85,100.69

Finding the Fourth Proportional to 151,613.84, 227,420.76 and 85,100.69

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Solution

The fourth proportional to 151,613.84, 227,420.76 and 85,100.69 is: 127,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,613.84 : 227,420.76 = 85,100.69 : x
  2. Step 2: Convert to fraction form
    151,613.84/227,420.76 = 85,100.69/x
  3. Step 3: Cross multiply
    151,613.84x = 227,420.76 × 85,100.69
  4. Step 4: Simplify right side
    151,613.84x = 19,353,664,484.00
  5. Step 5: Solve for x
    x = 19,353,664,484.00/151,613.84
  6. Step 6: Final answer
    x = 127,651.04

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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.