Home / 318,750.30-439,883.73-175,496.94

Finding the Fourth Proportional to 318,750.30, 439,883.73 and 175,496.94

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Solution

The fourth proportional to 318,750.30, 439,883.73 and 175,496.94 is: 242,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,750.30 : 439,883.73 = 175,496.94 : x
  2. Step 2: Convert to fraction form
    318,750.30/439,883.73 = 175,496.94/x
  3. Step 3: Cross multiply
    318,750.30x = 439,883.73 × 175,496.94
  4. Step 4: Simplify right side
    318,750.30x = 77,198,248,570.79
  5. Step 5: Solve for x
    x = 77,198,248,570.79/318,750.30
  6. Step 6: Final answer
    x = 242,190.36

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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.