Home / 318,427.85-439,430.41-175,184.81

Finding the Fourth Proportional to 318,427.85, 439,430.41 and 175,184.81

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Solution

The fourth proportional to 318,427.85, 439,430.41 and 175,184.81 is: 241,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,427.85 : 439,430.41 = 175,184.81 : x
  2. Step 2: Convert to fraction form
    318,427.85/439,430.41 = 175,184.81/x
  3. Step 3: Cross multiply
    318,427.85x = 439,430.41 × 175,184.81
  4. Step 4: Simplify right side
    318,427.85x = 76,981,534,201.63
  5. Step 5: Solve for x
    x = 76,981,534,201.63/318,427.85
  6. Step 6: Final answer
    x = 241,755.03

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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.