Home / 129,653.93-194,501.66-54,774.77

Finding the Fourth Proportional to 129,653.93, 194,501.66 and 54,774.77

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Solution

The fourth proportional to 129,653.93, 194,501.66 and 54,774.77 is: 82,170.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,653.93 : 194,501.66 = 54,774.77 : x
  2. Step 2: Convert to fraction form
    129,653.93/194,501.66 = 54,774.77/x
  3. Step 3: Cross multiply
    129,653.93x = 194,501.66 × 54,774.77
  4. Step 4: Simplify right side
    129,653.93x = 10,653,782,444.74
  5. Step 5: Solve for x
    x = 10,653,782,444.74/129,653.93
  6. Step 6: Final answer
    x = 82,170.92

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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.