Home / 119,902.04-165,528.26-77,484.77

Finding the Fourth Proportional to 119,902.04, 165,528.26 and 77,484.77

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Solution

The fourth proportional to 119,902.04, 165,528.26 and 77,484.77 is: 106,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,902.04 : 165,528.26 = 77,484.77 : x
  2. Step 2: Convert to fraction form
    119,902.04/165,528.26 = 77,484.77/x
  3. Step 3: Cross multiply
    119,902.04x = 165,528.26 × 77,484.77
  4. Step 4: Simplify right side
    119,902.04x = 12,825,917,939.54
  5. Step 5: Solve for x
    x = 12,825,917,939.54/119,902.04
  6. Step 6: Final answer
    x = 106,969.98

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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.