Home / 140,319.41-193,583.44-103,613.58

Finding the Fourth Proportional to 140,319.41, 193,583.44 and 103,613.58

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Solution

The fourth proportional to 140,319.41, 193,583.44 and 103,613.58 is: 142,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,319.41 : 193,583.44 = 103,613.58 : x
  2. Step 2: Convert to fraction form
    140,319.41/193,583.44 = 103,613.58/x
  3. Step 3: Cross multiply
    140,319.41x = 193,583.44 × 103,613.58
  4. Step 4: Simplify right side
    140,319.41x = 20,057,871,761.13
  5. Step 5: Solve for x
    x = 20,057,871,761.13/140,319.41
  6. Step 6: Final answer
    x = 142,944.39

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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.