Home / 112,580.96-169,064.60-99,959.22

Finding the Fourth Proportional to 112,580.96, 169,064.60 and 99,959.22

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Solution

The fourth proportional to 112,580.96, 169,064.60 and 99,959.22 is: 150,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,580.96 : 169,064.60 = 99,959.22 : x
  2. Step 2: Convert to fraction form
    112,580.96/169,064.60 = 99,959.22/x
  3. Step 3: Cross multiply
    112,580.96x = 169,064.60 × 99,959.22
  4. Step 4: Simplify right side
    112,580.96x = 16,899,565,045.82
  5. Step 5: Solve for x
    x = 16,899,565,045.82/112,580.96
  6. Step 6: Final answer
    x = 150,110.34

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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.