Home / 283,150.90-423,742.20-259,531.30

Finding the Fourth Proportional to 283,150.90, 423,742.20 and 259,531.30

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Solution

The fourth proportional to 283,150.90, 423,742.20 and 259,531.30 is: 388,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,150.90 : 423,742.20 = 259,531.30 : x
  2. Step 2: Convert to fraction form
    283,150.90/423,742.20 = 259,531.30/x
  3. Step 3: Cross multiply
    283,150.90x = 423,742.20 × 259,531.30
  4. Step 4: Simplify right side
    283,150.90x = 109,974,364,030.86
  5. Step 5: Solve for x
    x = 109,974,364,030.86/283,150.90
  6. Step 6: Final answer
    x = 388,394.89

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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.