Home / 231,272.80-346,670.64-112,797.76

Finding the Fourth Proportional to 231,272.80, 346,670.64 and 112,797.76

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Solution

The fourth proportional to 231,272.80, 346,670.64 and 112,797.76 is: 169,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,272.80 : 346,670.64 = 112,797.76 : x
  2. Step 2: Convert to fraction form
    231,272.80/346,670.64 = 112,797.76/x
  3. Step 3: Cross multiply
    231,272.80x = 346,670.64 × 112,797.76
  4. Step 4: Simplify right side
    231,272.80x = 39,103,671,649.77
  5. Step 5: Solve for x
    x = 39,103,671,649.77/231,272.80
  6. Step 6: Final answer
    x = 169,080.29

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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.