Home / 136,836.25-205,117.07-56,765.32

Finding the Fourth Proportional to 136,836.25, 205,117.07 and 56,765.32

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Solution

The fourth proportional to 136,836.25, 205,117.07 and 56,765.32 is: 85,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,836.25 : 205,117.07 = 56,765.32 : x
  2. Step 2: Convert to fraction form
    136,836.25/205,117.07 = 56,765.32/x
  3. Step 3: Cross multiply
    136,836.25x = 205,117.07 × 56,765.32
  4. Step 4: Simplify right side
    136,836.25x = 11,643,536,116.01
  5. Step 5: Solve for x
    x = 11,643,536,116.01/136,836.25
  6. Step 6: Final answer
    x = 85,091.02

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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.