Home / 171,222.19-236,381.64-103,256.38

Finding the Fourth Proportional to 171,222.19, 236,381.64 and 103,256.38

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Solution

The fourth proportional to 171,222.19, 236,381.64 and 103,256.38 is: 142,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,222.19 : 236,381.64 = 103,256.38 : x
  2. Step 2: Convert to fraction form
    171,222.19/236,381.64 = 103,256.38/x
  3. Step 3: Cross multiply
    171,222.19x = 236,381.64 × 103,256.38
  4. Step 4: Simplify right side
    171,222.19x = 24,407,912,444.86
  5. Step 5: Solve for x
    x = 24,407,912,444.86/171,222.19
  6. Step 6: Final answer
    x = 142,551.11

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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.