Home / 233,153.98-321,764.30-137,658.62

Finding the Fourth Proportional to 233,153.98, 321,764.30 and 137,658.62

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Solution

The fourth proportional to 233,153.98, 321,764.30 and 137,658.62 is: 189,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,153.98 : 321,764.30 = 137,658.62 : x
  2. Step 2: Convert to fraction form
    233,153.98/321,764.30 = 137,658.62/x
  3. Step 3: Cross multiply
    233,153.98x = 321,764.30 × 137,658.62
  4. Step 4: Simplify right side
    233,153.98x = 44,293,630,135.60
  5. Step 5: Solve for x
    x = 44,293,630,135.60/233,153.98
  6. Step 6: Final answer
    x = 189,975.87

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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.