Home / 108,748.56-149,986.44-89,852.88

Finding the Fourth Proportional to 108,748.56, 149,986.44 and 89,852.88

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Solution

The fourth proportional to 108,748.56, 149,986.44 and 89,852.88 is: 123,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,748.56 : 149,986.44 = 89,852.88 : x
  2. Step 2: Convert to fraction form
    108,748.56/149,986.44 = 89,852.88/x
  3. Step 3: Cross multiply
    108,748.56x = 149,986.44 × 89,852.88
  4. Step 4: Simplify right side
    108,748.56x = 13,476,713,594.95
  5. Step 5: Solve for x
    x = 13,476,713,594.95/108,748.56
  6. Step 6: Final answer
    x = 123,925.44

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1.5x scale

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.