Home / 119,817.36-164,149.56-115,331.04

Finding the Fourth Proportional to 119,817.36, 164,149.56 and 115,331.04

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Solution

The fourth proportional to 119,817.36, 164,149.56 and 115,331.04 is: 158,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,817.36 : 164,149.56 = 115,331.04 : x
  2. Step 2: Convert to fraction form
    119,817.36/164,149.56 = 115,331.04/x
  3. Step 3: Cross multiply
    119,817.36x = 164,149.56 × 115,331.04
  4. Step 4: Simplify right side
    119,817.36x = 18,931,539,470.34
  5. Step 5: Solve for x
    x = 18,931,539,470.34/119,817.36
  6. Step 6: Final answer
    x = 158,003.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.