Home / 141,140.88-194,775.84-77,481.36

Finding the Fourth Proportional to 141,140.88, 194,775.84 and 77,481.36

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Solution

The fourth proportional to 141,140.88, 194,775.84 and 77,481.36 is: 106,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,140.88 : 194,775.84 = 77,481.36 : x
  2. Step 2: Convert to fraction form
    141,140.88/194,775.84 = 77,481.36/x
  3. Step 3: Cross multiply
    141,140.88x = 194,775.84 × 77,481.36
  4. Step 4: Simplify right side
    141,140.88x = 15,091,496,978.34
  5. Step 5: Solve for x
    x = 15,091,496,978.34/141,140.88
  6. Step 6: Final answer
    x = 106,925.06

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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.