Home / 104,588.19-156,865.77-86,932.26

Finding the Fourth Proportional to 104,588.19, 156,865.77 and 86,932.26

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Solution

The fourth proportional to 104,588.19, 156,865.77 and 86,932.26 is: 130,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,588.19 : 156,865.77 = 86,932.26 : x
  2. Step 2: Convert to fraction form
    104,588.19/156,865.77 = 86,932.26/x
  3. Step 3: Cross multiply
    104,588.19x = 156,865.77 × 86,932.26
  4. Step 4: Simplify right side
    104,588.19x = 13,636,695,902.74
  5. Step 5: Solve for x
    x = 13,636,695,902.74/104,588.19
  6. Step 6: Final answer
    x = 130,384.66

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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.