Home / 124,358.34-171,221.02-112,993.82

Finding the Fourth Proportional to 124,358.34, 171,221.02 and 112,993.82

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Solution

The fourth proportional to 124,358.34, 171,221.02 and 112,993.82 is: 155,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,358.34 : 171,221.02 = 112,993.82 : x
  2. Step 2: Convert to fraction form
    124,358.34/171,221.02 = 112,993.82/x
  3. Step 3: Cross multiply
    124,358.34x = 171,221.02 × 112,993.82
  4. Step 4: Simplify right side
    124,358.34x = 19,346,917,114.10
  5. Step 5: Solve for x
    x = 19,346,917,114.10/124,358.34
  6. Step 6: Final answer
    x = 155,573.94

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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.