Home / 136,100.54-204,192.29-69,587.36

Finding the Fourth Proportional to 136,100.54, 204,192.29 and 69,587.36

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Solution

The fourth proportional to 136,100.54, 204,192.29 and 69,587.36 is: 104,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,100.54 : 204,192.29 = 69,587.36 : x
  2. Step 2: Convert to fraction form
    136,100.54/204,192.29 = 69,587.36/x
  3. Step 3: Cross multiply
    136,100.54x = 204,192.29 × 69,587.36
  4. Step 4: Simplify right side
    136,100.54x = 14,209,202,393.45
  5. Step 5: Solve for x
    x = 14,209,202,393.45/136,100.54
  6. Step 6: Final answer
    x = 104,402.25

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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.