Home / 141,383.76-195,090.68-87,649.16

Finding the Fourth Proportional to 141,383.76, 195,090.68 and 87,649.16

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Solution

The fourth proportional to 141,383.76, 195,090.68 and 87,649.16 is: 120,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,383.76 : 195,090.68 = 87,649.16 : x
  2. Step 2: Convert to fraction form
    141,383.76/195,090.68 = 87,649.16/x
  3. Step 3: Cross multiply
    141,383.76x = 195,090.68 × 87,649.16
  4. Step 4: Simplify right side
    141,383.76x = 17,099,534,225.83
  5. Step 5: Solve for x
    x = 17,099,534,225.83/141,383.76
  6. Step 6: Final answer
    x = 120,944.12

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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.