Home / 318,350.14-439,314-175,110.18

Finding the Fourth Proportional to 318,350.14, 439,314 and 175,110.18

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Solution

The fourth proportional to 318,350.14, 439,314 and 175,110.18 is: 241,646.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,350.14 : 439,314 = 175,110.18 : x
  2. Step 2: Convert to fraction form
    318,350.14/439,314 = 175,110.18/x
  3. Step 3: Cross multiply
    318,350.14x = 439,314 × 175,110.18
  4. Step 4: Simplify right side
    318,350.14x = 76,928,353,616.52
  5. Step 5: Solve for x
    x = 76,928,353,616.52/318,350.14
  6. Step 6: Final answer
    x = 241,646.99

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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.