Home / 283,174.41-390,773.28-154,115.46

Finding the Fourth Proportional to 283,174.41, 390,773.28 and 154,115.46

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Solution

The fourth proportional to 283,174.41, 390,773.28 and 154,115.46 is: 212,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,174.41 : 390,773.28 = 154,115.46 : x
  2. Step 2: Convert to fraction form
    283,174.41/390,773.28 = 154,115.46/x
  3. Step 3: Cross multiply
    283,174.41x = 390,773.28 × 154,115.46
  4. Step 4: Simplify right side
    283,174.41x = 60,224,203,802.91
  5. Step 5: Solve for x
    x = 60,224,203,802.91/283,174.41
  6. Step 6: Final answer
    x = 212,675.30

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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.