Home / 163,707.48-225,269.10-136,763.64

Finding the Fourth Proportional to 163,707.48, 225,269.10 and 136,763.64

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Solution

The fourth proportional to 163,707.48, 225,269.10 and 136,763.64 is: 188,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,707.48 : 225,269.10 = 136,763.64 : x
  2. Step 2: Convert to fraction form
    163,707.48/225,269.10 = 136,763.64/x
  3. Step 3: Cross multiply
    163,707.48x = 225,269.10 × 136,763.64
  4. Step 4: Simplify right side
    163,707.48x = 30,808,622,095.52
  5. Step 5: Solve for x
    x = 30,808,622,095.52/163,707.48
  6. Step 6: Final answer
    x = 188,193.12

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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.