Home / 185,239.98-255,636-113,578.74

Finding the Fourth Proportional to 185,239.98, 255,636 and 113,578.74

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Solution

The fourth proportional to 185,239.98, 255,636 and 113,578.74 is: 156,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,239.98 : 255,636 = 113,578.74 : x
  2. Step 2: Convert to fraction form
    185,239.98/255,636 = 113,578.74/x
  3. Step 3: Cross multiply
    185,239.98x = 255,636 × 113,578.74
  4. Step 4: Simplify right side
    185,239.98x = 29,034,814,778.64
  5. Step 5: Solve for x
    x = 29,034,814,778.64/185,239.98
  6. Step 6: Final answer
    x = 156,741.62

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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.