Home / 119,769.66-165,283.17-66,056.52

Finding the Fourth Proportional to 119,769.66, 165,283.17 and 66,056.52

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Solution

The fourth proportional to 119,769.66, 165,283.17 and 66,056.52 is: 91,158.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,769.66 : 165,283.17 = 66,056.52 : x
  2. Step 2: Convert to fraction form
    119,769.66/165,283.17 = 66,056.52/x
  3. Step 3: Cross multiply
    119,769.66x = 165,283.17 × 66,056.52
  4. Step 4: Simplify right side
    119,769.66x = 10,918,031,024.77
  5. Step 5: Solve for x
    x = 10,918,031,024.77/119,769.66
  6. Step 6: Final answer
    x = 91,158.57

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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.