Home / 109,599.30-151,231.86-61,195.32

Finding the Fourth Proportional to 109,599.30, 151,231.86 and 61,195.32

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Solution

The fourth proportional to 109,599.30, 151,231.86 and 61,195.32 is: 84,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,599.30 : 151,231.86 = 61,195.32 : x
  2. Step 2: Convert to fraction form
    109,599.30/151,231.86 = 61,195.32/x
  3. Step 3: Cross multiply
    109,599.30x = 151,231.86 × 61,195.32
  4. Step 4: Simplify right side
    109,599.30x = 9,254,682,066.90
  5. Step 5: Solve for x
    x = 9,254,682,066.90/109,599.30
  6. Step 6: Final answer
    x = 84,441.07

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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.