Home / 191,290.53-263,973.83-106,405.77

Finding the Fourth Proportional to 191,290.53, 263,973.83 and 106,405.77

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Solution

The fourth proportional to 191,290.53, 263,973.83 and 106,405.77 is: 146,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,290.53 : 263,973.83 = 106,405.77 : x
  2. Step 2: Convert to fraction form
    191,290.53/263,973.83 = 106,405.77/x
  3. Step 3: Cross multiply
    191,290.53x = 263,973.83 × 106,405.77
  4. Step 4: Simplify right side
    191,290.53x = 28,088,338,108.97
  5. Step 5: Solve for x
    x = 28,088,338,108.97/191,290.53
  6. Step 6: Final answer
    x = 146,836.01

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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.