Home / 131,613.14-181,627.60-71,184.98

Finding the Fourth Proportional to 131,613.14, 181,627.60 and 71,184.98

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Solution

The fourth proportional to 131,613.14, 181,627.60 and 71,184.98 is: 98,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,613.14 : 181,627.60 = 71,184.98 : x
  2. Step 2: Convert to fraction form
    131,613.14/181,627.60 = 71,184.98/x
  3. Step 3: Cross multiply
    131,613.14x = 181,627.60 × 71,184.98
  4. Step 4: Simplify right side
    131,613.14x = 12,929,157,073.45
  5. Step 5: Solve for x
    x = 12,929,157,073.45/131,613.14
  6. Step 6: Final answer
    x = 98,236.07

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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.