Home / 170,669-255,886.86-104,132.36

Finding the Fourth Proportional to 170,669, 255,886.86 and 104,132.36

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Solution

The fourth proportional to 170,669, 255,886.86 and 104,132.36 is: 156,127.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,669 : 255,886.86 = 104,132.36 : x
  2. Step 2: Convert to fraction form
    170,669/255,886.86 = 104,132.36/x
  3. Step 3: Cross multiply
    170,669x = 255,886.86 × 104,132.36
  4. Step 4: Simplify right side
    170,669x = 26,646,102,624.79
  5. Step 5: Solve for x
    x = 26,646,102,624.79/170,669
  6. Step 6: Final answer
    x = 156,127.37

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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.