Home / 136,663.36-188,594.16-75,410.10

Finding the Fourth Proportional to 136,663.36, 188,594.16 and 75,410.10

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Solution

The fourth proportional to 136,663.36, 188,594.16 and 75,410.10 is: 104,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,663.36 : 188,594.16 = 75,410.10 : x
  2. Step 2: Convert to fraction form
    136,663.36/188,594.16 = 75,410.10/x
  3. Step 3: Cross multiply
    136,663.36x = 188,594.16 × 75,410.10
  4. Step 4: Simplify right side
    136,663.36x = 14,221,904,182.23
  5. Step 5: Solve for x
    x = 14,221,904,182.23/136,663.36
  6. Step 6: Final answer
    x = 104,065.23

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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.