Home / 134,094.96-185,049.36-77,505.12

Finding the Fourth Proportional to 134,094.96, 185,049.36 and 77,505.12

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Solution

The fourth proportional to 134,094.96, 185,049.36 and 77,505.12 is: 106,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,094.96 : 185,049.36 = 77,505.12 : x
  2. Step 2: Convert to fraction form
    134,094.96/185,049.36 = 77,505.12/x
  3. Step 3: Cross multiply
    134,094.96x = 185,049.36 × 77,505.12
  4. Step 4: Simplify right side
    134,094.96x = 14,342,272,852.72
  5. Step 5: Solve for x
    x = 14,342,272,852.72/134,094.96
  6. Step 6: Final answer
    x = 106,956.09

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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.