Home / 119,972.14-165,562.80-66,258.52

Finding the Fourth Proportional to 119,972.14, 165,562.80 and 66,258.52

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Solution

The fourth proportional to 119,972.14, 165,562.80 and 66,258.52 is: 91,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,972.14 : 165,562.80 = 66,258.52 : x
  2. Step 2: Convert to fraction form
    119,972.14/165,562.80 = 66,258.52/x
  3. Step 3: Cross multiply
    119,972.14x = 165,562.80 × 66,258.52
  4. Step 4: Simplify right side
    119,972.14x = 10,969,946,095.06
  5. Step 5: Solve for x
    x = 10,969,946,095.06/119,972.14
  6. Step 6: Final answer
    x = 91,437.45

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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.