Home / 134,196.75-185,191.52-77,611.77

Finding the Fourth Proportional to 134,196.75, 185,191.52 and 77,611.77

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Solution

The fourth proportional to 134,196.75, 185,191.52 and 77,611.77 is: 107,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,196.75 : 185,191.52 = 77,611.77 : x
  2. Step 2: Convert to fraction form
    134,196.75/185,191.52 = 77,611.77/x
  3. Step 3: Cross multiply
    134,196.75x = 185,191.52 × 77,611.77
  4. Step 4: Simplify right side
    134,196.75x = 14,373,041,268.13
  5. Step 5: Solve for x
    x = 14,373,041,268.13/134,196.75
  6. Step 6: Final answer
    x = 107,104.24

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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.