Home / 119,811.61-165,341.28-66,098.62

Finding the Fourth Proportional to 119,811.61, 165,341.28 and 66,098.62

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Solution

The fourth proportional to 119,811.61, 165,341.28 and 66,098.62 is: 91,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,811.61 : 165,341.28 = 66,098.62 : x
  2. Step 2: Convert to fraction form
    119,811.61/165,341.28 = 66,098.62/x
  3. Step 3: Cross multiply
    119,811.61x = 165,341.28 × 66,098.62
  4. Step 4: Simplify right side
    119,811.61x = 10,928,830,437.03
  5. Step 5: Solve for x
    x = 10,928,830,437.03/119,811.61
  6. Step 6: Final answer
    x = 91,216.79

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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.