Home / 169,911.36-234,458.64-98,280.72

Finding the Fourth Proportional to 169,911.36, 234,458.64 and 98,280.72

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Solution

The fourth proportional to 169,911.36, 234,458.64 and 98,280.72 is: 135,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,911.36 : 234,458.64 = 98,280.72 : x
  2. Step 2: Convert to fraction form
    169,911.36/234,458.64 = 98,280.72/x
  3. Step 3: Cross multiply
    169,911.36x = 234,458.64 × 98,280.72
  4. Step 4: Simplify right side
    169,911.36x = 23,042,763,949.42
  5. Step 5: Solve for x
    x = 23,042,763,949.42/169,911.36
  6. Step 6: Final answer
    x = 135,616.38

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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.