Home / 141,190.31-194,844-77,529.48

Finding the Fourth Proportional to 141,190.31, 194,844 and 77,529.48

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Solution

The fourth proportional to 141,190.31, 194,844 and 77,529.48 is: 106,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,190.31 : 194,844 = 77,529.48 : x
  2. Step 2: Convert to fraction form
    141,190.31/194,844 = 77,529.48/x
  3. Step 3: Cross multiply
    141,190.31x = 194,844 × 77,529.48
  4. Step 4: Simplify right side
    141,190.31x = 15,106,154,001.12
  5. Step 5: Solve for x
    x = 15,106,154,001.12/141,190.31
  6. Step 6: Final answer
    x = 106,991.44

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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.