Home / 172,194.96-237,693.50-129,298.36

Finding the Fourth Proportional to 172,194.96, 237,693.50 and 129,298.36

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Solution

The fourth proportional to 172,194.96, 237,693.50 and 129,298.36 is: 178,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,194.96 : 237,693.50 = 129,298.36 : x
  2. Step 2: Convert to fraction form
    172,194.96/237,693.50 = 129,298.36/x
  3. Step 3: Cross multiply
    172,194.96x = 237,693.50 × 129,298.36
  4. Step 4: Simplify right side
    172,194.96x = 30,733,379,732.66
  5. Step 5: Solve for x
    x = 30,733,379,732.66/172,194.96
  6. Step 6: Final answer
    x = 178,480.14

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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.