Home / 264,635.49-365,195.01-143,777.78

Finding the Fourth Proportional to 264,635.49, 365,195.01 and 143,777.78

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Solution

The fourth proportional to 264,635.49, 365,195.01 and 143,777.78 is: 198,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,635.49 : 365,195.01 = 143,777.78 : x
  2. Step 2: Convert to fraction form
    264,635.49/365,195.01 = 143,777.78/x
  3. Step 3: Cross multiply
    264,635.49x = 365,195.01 × 143,777.78
  4. Step 4: Simplify right side
    264,635.49x = 52,506,925,978.90
  5. Step 5: Solve for x
    x = 52,506,925,978.90/264,635.49
  6. Step 6: Final answer
    x = 198,412.26

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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.