Home / 318,434.06-439,432.77-175,196.50

Finding the Fourth Proportional to 318,434.06, 439,432.77 and 175,196.50

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Solution

The fourth proportional to 318,434.06, 439,432.77 and 175,196.50 is: 241,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,434.06 : 439,432.77 = 175,196.50 : x
  2. Step 2: Convert to fraction form
    318,434.06/439,432.77 = 175,196.50/x
  3. Step 3: Cross multiply
    318,434.06x = 439,432.77 × 175,196.50
  4. Step 4: Simplify right side
    318,434.06x = 76,987,082,190.72
  5. Step 5: Solve for x
    x = 76,987,082,190.72/318,434.06
  6. Step 6: Final answer
    x = 241,767.74

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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.