Home / 318,360.12-439,351.74-175,117.56

Finding the Fourth Proportional to 318,360.12, 439,351.74 and 175,117.56

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Solution

The fourth proportional to 318,360.12, 439,351.74 and 175,117.56 is: 241,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,360.12 : 439,351.74 = 175,117.56 : x
  2. Step 2: Convert to fraction form
    318,360.12/439,351.74 = 175,117.56/x
  3. Step 3: Cross multiply
    318,360.12x = 439,351.74 × 175,117.56
  4. Step 4: Simplify right side
    318,360.12x = 76,938,204,690.55
  5. Step 5: Solve for x
    x = 76,938,204,690.55/318,360.12
  6. Step 6: Final answer
    x = 241,670.36

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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.