Home / 163,432.60-225,563.79-136,165.51

Finding the Fourth Proportional to 163,432.60, 225,563.79 and 136,165.51

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Solution

The fourth proportional to 163,432.60, 225,563.79 and 136,165.51 is: 187,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,432.60 : 225,563.79 = 136,165.51 : x
  2. Step 2: Convert to fraction form
    163,432.60/225,563.79 = 136,165.51/x
  3. Step 3: Cross multiply
    163,432.60x = 225,563.79 × 136,165.51
  4. Step 4: Simplify right side
    163,432.60x = 30,714,008,502.88
  5. Step 5: Solve for x
    x = 30,714,008,502.88/163,432.60
  6. Step 6: Final answer
    x = 187,930.73

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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.