Home / 171,516.21-236,701.15-103,532.30

Finding the Fourth Proportional to 171,516.21, 236,701.15 and 103,532.30

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Solution

The fourth proportional to 171,516.21, 236,701.15 and 103,532.30 is: 142,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,516.21 : 236,701.15 = 103,532.30 : x
  2. Step 2: Convert to fraction form
    171,516.21/236,701.15 = 103,532.30/x
  3. Step 3: Cross multiply
    171,516.21x = 236,701.15 × 103,532.30
  4. Step 4: Simplify right side
    171,516.21x = 24,506,214,472.15
  5. Step 5: Solve for x
    x = 24,506,214,472.15/171,516.21
  6. Step 6: Final answer
    x = 142,879.87

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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.