Home / 318,141.34-439,023.85-174,900.33

Finding the Fourth Proportional to 318,141.34, 439,023.85 and 174,900.33

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Solution

The fourth proportional to 318,141.34, 439,023.85 and 174,900.33 is: 241,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,141.34 : 439,023.85 = 174,900.33 : x
  2. Step 2: Convert to fraction form
    318,141.34/439,023.85 = 174,900.33/x
  3. Step 3: Cross multiply
    318,141.34x = 439,023.85 × 174,900.33
  4. Step 4: Simplify right side
    318,141.34x = 76,785,415,805.62
  5. Step 5: Solve for x
    x = 76,785,415,805.62/318,141.34
  6. Step 6: Final answer
    x = 241,356.30

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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.