Home / 173,619.59-260,513.82-78,911.55

Finding the Fourth Proportional to 173,619.59, 260,513.82 and 78,911.55

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Solution

The fourth proportional to 173,619.59, 260,513.82 and 78,911.55 is: 118,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,619.59 : 260,513.82 = 78,911.55 : x
  2. Step 2: Convert to fraction form
    173,619.59/260,513.82 = 78,911.55/x
  3. Step 3: Cross multiply
    173,619.59x = 260,513.82 × 78,911.55
  4. Step 4: Simplify right side
    173,619.59x = 20,557,549,332.62
  5. Step 5: Solve for x
    x = 20,557,549,332.62/173,619.59
  6. Step 6: Final answer
    x = 118,405.70

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1.5x scale

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.