Home / 318,240.21-439,182.78-175,011.15

Finding the Fourth Proportional to 318,240.21, 439,182.78 and 175,011.15

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Solution

The fourth proportional to 318,240.21, 439,182.78 and 175,011.15 is: 241,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,240.21 : 439,182.78 = 175,011.15 : x
  2. Step 2: Convert to fraction form
    318,240.21/439,182.78 = 175,011.15/x
  3. Step 3: Cross multiply
    318,240.21x = 439,182.78 × 175,011.15
  4. Step 4: Simplify right side
    318,240.21x = 76,861,883,388.00
  5. Step 5: Solve for x
    x = 76,861,883,388.00/318,240.21
  6. Step 6: Final answer
    x = 241,521.60

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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.