Home / 172,790.13-238,452.78-96,307.11

Finding the Fourth Proportional to 172,790.13, 238,452.78 and 96,307.11

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Solution

The fourth proportional to 172,790.13, 238,452.78 and 96,307.11 is: 132,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,790.13 : 238,452.78 = 96,307.11 : x
  2. Step 2: Convert to fraction form
    172,790.13/238,452.78 = 96,307.11/x
  3. Step 3: Cross multiply
    172,790.13x = 238,452.78 × 96,307.11
  4. Step 4: Simplify right side
    172,790.13x = 22,964,698,113.27
  5. Step 5: Solve for x
    x = 22,964,698,113.27/172,790.13
  6. Step 6: Final answer
    x = 132,905.15

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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.