Home / 119,924.40-165,488.52-66,208.08

Finding the Fourth Proportional to 119,924.40, 165,488.52 and 66,208.08

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Solution

The fourth proportional to 119,924.40, 165,488.52 and 66,208.08 is: 91,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,924.40 : 165,488.52 = 66,208.08 : x
  2. Step 2: Convert to fraction form
    119,924.40/165,488.52 = 66,208.08/x
  3. Step 3: Cross multiply
    119,924.40x = 165,488.52 × 66,208.08
  4. Step 4: Simplify right side
    119,924.40x = 10,956,677,171.24
  5. Step 5: Solve for x
    x = 10,956,677,171.24/119,924.40
  6. Step 6: Final answer
    x = 91,363.20

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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.