Home / 318,066.05-438,932.10-174,840.77

Finding the Fourth Proportional to 318,066.05, 438,932.10 and 174,840.77

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Solution

The fourth proportional to 318,066.05, 438,932.10 and 174,840.77 is: 241,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,066.05 : 438,932.10 = 174,840.77 : x
  2. Step 2: Convert to fraction form
    318,066.05/438,932.10 = 174,840.77/x
  3. Step 3: Cross multiply
    318,066.05x = 438,932.10 × 174,840.77
  4. Step 4: Simplify right side
    318,066.05x = 76,743,224,147.06
  5. Step 5: Solve for x
    x = 76,743,224,147.06/318,066.05
  6. Step 6: Final answer
    x = 241,280.78

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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.