Home / 147,385.36-203,397.24-83,733.94

Finding the Fourth Proportional to 147,385.36, 203,397.24 and 83,733.94

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Solution

The fourth proportional to 147,385.36, 203,397.24 and 83,733.94 is: 115,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,385.36 : 203,397.24 = 83,733.94 : x
  2. Step 2: Convert to fraction form
    147,385.36/203,397.24 = 83,733.94/x
  3. Step 3: Cross multiply
    147,385.36x = 203,397.24 × 83,733.94
  4. Step 4: Simplify right side
    147,385.36x = 17,031,252,290.33
  5. Step 5: Solve for x
    x = 17,031,252,290.33/147,385.36
  6. Step 6: Final answer
    x = 115,555.93

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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.