Home / 113,886.28-170,732.22-80,501.32

Finding the Fourth Proportional to 113,886.28, 170,732.22 and 80,501.32

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Solution

The fourth proportional to 113,886.28, 170,732.22 and 80,501.32 is: 120,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,886.28 : 170,732.22 = 80,501.32 : x
  2. Step 2: Convert to fraction form
    113,886.28/170,732.22 = 80,501.32/x
  3. Step 3: Cross multiply
    113,886.28x = 170,732.22 × 80,501.32
  4. Step 4: Simplify right side
    113,886.28x = 13,744,169,076.53
  5. Step 5: Solve for x
    x = 13,744,169,076.53/113,886.28
  6. Step 6: Final answer
    x = 120,683.27

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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.