Home / 119,807.40-165,332.16-66,097.56

Finding the Fourth Proportional to 119,807.40, 165,332.16 and 66,097.56

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Solution

The fourth proportional to 119,807.40, 165,332.16 and 66,097.56 is: 91,213.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,807.40 : 165,332.16 = 66,097.56 : x
  2. Step 2: Convert to fraction form
    119,807.40/165,332.16 = 66,097.56/x
  3. Step 3: Cross multiply
    119,807.40x = 165,332.16 × 66,097.56
  4. Step 4: Simplify right side
    119,807.40x = 10,928,052,365.53
  5. Step 5: Solve for x
    x = 10,928,052,365.53/119,807.40
  6. Step 6: Final answer
    x = 91,213.50

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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.