Home / 193,742.40-290,613.60-169,636.80

Finding the Fourth Proportional to 193,742.40, 290,613.60 and 169,636.80

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Solution

The fourth proportional to 193,742.40, 290,613.60 and 169,636.80 is: 254,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,742.40 : 290,613.60 = 169,636.80 : x
  2. Step 2: Convert to fraction form
    193,742.40/290,613.60 = 169,636.80/x
  3. Step 3: Cross multiply
    193,742.40x = 290,613.60 × 169,636.80
  4. Step 4: Simplify right side
    193,742.40x = 49,298,761,140.48
  5. Step 5: Solve for x
    x = 49,298,761,140.48/193,742.40
  6. Step 6: Final answer
    x = 254,455.20

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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.