Home / 108,769.32-163,119.42-73,932.84

Finding the Fourth Proportional to 108,769.32, 163,119.42 and 73,932.84

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Solution

The fourth proportional to 108,769.32, 163,119.42 and 73,932.84 is: 110,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,769.32 : 163,119.42 = 73,932.84 : x
  2. Step 2: Convert to fraction form
    108,769.32/163,119.42 = 73,932.84/x
  3. Step 3: Cross multiply
    108,769.32x = 163,119.42 × 73,932.84
  4. Step 4: Simplify right side
    108,769.32x = 12,059,881,979.75
  5. Step 5: Solve for x
    x = 12,059,881,979.75/108,769.32
  6. Step 6: Final answer
    x = 110,875.77

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1.5x scale

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.