Home / 283,109.12-424,649.76-105,602.48

Finding the Fourth Proportional to 283,109.12, 424,649.76 and 105,602.48

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Solution

The fourth proportional to 283,109.12, 424,649.76 and 105,602.48 is: 158,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,109.12 : 424,649.76 = 105,602.48 : x
  2. Step 2: Convert to fraction form
    283,109.12/424,649.76 = 105,602.48/x
  3. Step 3: Cross multiply
    283,109.12x = 424,649.76 × 105,602.48
  4. Step 4: Simplify right side
    283,109.12x = 44,844,067,787.40
  5. Step 5: Solve for x
    x = 44,844,067,787.40/283,109.12
  6. Step 6: Final answer
    x = 158,398.53

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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.