Home / 171,197.28-236,212.20-103,196.16

Finding the Fourth Proportional to 171,197.28, 236,212.20 and 103,196.16

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Solution

The fourth proportional to 171,197.28, 236,212.20 and 103,196.16 is: 142,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,197.28 : 236,212.20 = 103,196.16 : x
  2. Step 2: Convert to fraction form
    171,197.28/236,212.20 = 103,196.16/x
  3. Step 3: Cross multiply
    171,197.28x = 236,212.20 × 103,196.16
  4. Step 4: Simplify right side
    171,197.28x = 24,376,191,985.15
  5. Step 5: Solve for x
    x = 24,376,191,985.15/171,197.28
  6. Step 6: Final answer
    x = 142,386.56

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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.