Home / 283,756.10-425,634.15-238,136.90

Finding the Fourth Proportional to 283,756.10, 425,634.15 and 238,136.90

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Solution

The fourth proportional to 283,756.10, 425,634.15 and 238,136.90 is: 357,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,756.10 : 425,634.15 = 238,136.90 : x
  2. Step 2: Convert to fraction form
    283,756.10/425,634.15 = 238,136.90/x
  3. Step 3: Cross multiply
    283,756.10x = 425,634.15 × 238,136.90
  4. Step 4: Simplify right side
    283,756.10x = 101,359,197,015.14
  5. Step 5: Solve for x
    x = 101,359,197,015.14/283,756.10
  6. Step 6: Final answer
    x = 357,205.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.