Home / 109,486.22-151,091.09-64,155.18

Finding the Fourth Proportional to 109,486.22, 151,091.09 and 64,155.18

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Solution

The fourth proportional to 109,486.22, 151,091.09 and 64,155.18 is: 88,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,486.22 : 151,091.09 = 64,155.18 : x
  2. Step 2: Convert to fraction form
    109,486.22/151,091.09 = 64,155.18/x
  3. Step 3: Cross multiply
    109,486.22x = 151,091.09 × 64,155.18
  4. Step 4: Simplify right side
    109,486.22x = 9,693,275,754.57
  5. Step 5: Solve for x
    x = 9,693,275,754.57/109,486.22
  6. Step 6: Final answer
    x = 88,534.21

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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.