Home / 176,905.80-265,358.70-120,918.60

Finding the Fourth Proportional to 176,905.80, 265,358.70 and 120,918.60

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Solution

The fourth proportional to 176,905.80, 265,358.70 and 120,918.60 is: 181,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,905.80 : 265,358.70 = 120,918.60 : x
  2. Step 2: Convert to fraction form
    176,905.80/265,358.70 = 120,918.60/x
  3. Step 3: Cross multiply
    176,905.80x = 265,358.70 × 120,918.60
  4. Step 4: Simplify right side
    176,905.80x = 32,086,802,501.82
  5. Step 5: Solve for x
    x = 32,086,802,501.82/176,905.80
  6. Step 6: Final answer
    x = 181,377.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.