Home / 119,120.34-164,276.36-80,937.05

Finding the Fourth Proportional to 119,120.34, 164,276.36 and 80,937.05

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Solution

The fourth proportional to 119,120.34, 164,276.36 and 80,937.05 is: 111,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,120.34 : 164,276.36 = 80,937.05 : x
  2. Step 2: Convert to fraction form
    119,120.34/164,276.36 = 80,937.05/x
  3. Step 3: Cross multiply
    119,120.34x = 164,276.36 × 80,937.05
  4. Step 4: Simplify right side
    119,120.34x = 13,296,043,963.14
  5. Step 5: Solve for x
    x = 13,296,043,963.14/119,120.34
  6. Step 6: Final answer
    x = 111,618.59

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1.5x scale

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.