Home / 119,814.66-165,353.40-66,110.04

Finding the Fourth Proportional to 119,814.66, 165,353.40 and 66,110.04

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Solution

The fourth proportional to 119,814.66, 165,353.40 and 66,110.04 is: 91,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,814.66 : 165,353.40 = 66,110.04 : x
  2. Step 2: Convert to fraction form
    119,814.66/165,353.40 = 66,110.04/x
  3. Step 3: Cross multiply
    119,814.66x = 165,353.40 × 66,110.04
  4. Step 4: Simplify right side
    119,814.66x = 10,931,519,888.14
  5. Step 5: Solve for x
    x = 10,931,519,888.14/119,814.66
  6. Step 6: Final answer
    x = 91,236.91

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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.