Home / 119,829.59-165,365.36-66,114.58

Finding the Fourth Proportional to 119,829.59, 165,365.36 and 66,114.58

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Solution

The fourth proportional to 119,829.59, 165,365.36 and 66,114.58 is: 91,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,829.59 : 165,365.36 = 66,114.58 : x
  2. Step 2: Convert to fraction form
    119,829.59/165,365.36 = 66,114.58/x
  3. Step 3: Cross multiply
    119,829.59x = 165,365.36 × 66,114.58
  4. Step 4: Simplify right side
    119,829.59x = 10,933,060,661.41
  5. Step 5: Solve for x
    x = 10,933,060,661.41/119,829.59
  6. Step 6: Final answer
    x = 91,238.40

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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.