Home / 104,645.22-156,967.65-86,102.22

Finding the Fourth Proportional to 104,645.22, 156,967.65 and 86,102.22

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Solution

The fourth proportional to 104,645.22, 156,967.65 and 86,102.22 is: 129,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,645.22 : 156,967.65 = 86,102.22 : x
  2. Step 2: Convert to fraction form
    104,645.22/156,967.65 = 86,102.22/x
  3. Step 3: Cross multiply
    104,645.22x = 156,967.65 × 86,102.22
  4. Step 4: Simplify right side
    104,645.22x = 13,515,263,133.18
  5. Step 5: Solve for x
    x = 13,515,263,133.18/104,645.22
  6. Step 6: Final answer
    x = 129,153.18

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1.5x scale

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.