Home / 119,558.12-165,102.18-74,923.88

Finding the Fourth Proportional to 119,558.12, 165,102.18 and 74,923.88

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Solution

The fourth proportional to 119,558.12, 165,102.18 and 74,923.88 is: 103,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,558.12 : 165,102.18 = 74,923.88 : x
  2. Step 2: Convert to fraction form
    119,558.12/165,102.18 = 74,923.88/x
  3. Step 3: Cross multiply
    119,558.12x = 165,102.18 × 74,923.88
  4. Step 4: Simplify right side
    119,558.12x = 12,370,095,922.06
  5. Step 5: Solve for x
    x = 12,370,095,922.06/119,558.12
  6. Step 6: Final answer
    x = 103,465.13

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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.