Home / 172,543.20-238,109.52-97,091.76

Finding the Fourth Proportional to 172,543.20, 238,109.52 and 97,091.76

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Solution

The fourth proportional to 172,543.20, 238,109.52 and 97,091.76 is: 133,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,543.20 : 238,109.52 = 97,091.76 : x
  2. Step 2: Convert to fraction form
    172,543.20/238,109.52 = 97,091.76/x
  3. Step 3: Cross multiply
    172,543.20x = 238,109.52 × 97,091.76
  4. Step 4: Simplify right side
    172,543.20x = 23,118,472,369.56
  5. Step 5: Solve for x
    x = 23,118,472,369.56/172,543.20
  6. Step 6: Final answer
    x = 133,986.57

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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.