Home / 141,361.34-195,076.12-77,699.12

Finding the Fourth Proportional to 141,361.34, 195,076.12 and 77,699.12

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Solution

The fourth proportional to 141,361.34, 195,076.12 and 77,699.12 is: 107,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,361.34 : 195,076.12 = 77,699.12 : x
  2. Step 2: Convert to fraction form
    141,361.34/195,076.12 = 77,699.12/x
  3. Step 3: Cross multiply
    141,361.34x = 195,076.12 × 77,699.12
  4. Step 4: Simplify right side
    141,361.34x = 15,157,242,857.01
  5. Step 5: Solve for x
    x = 15,157,242,857.01/141,361.34
  6. Step 6: Final answer
    x = 107,223.40

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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.