Home / 172,725.11-238,362.38-101,106.66

Finding the Fourth Proportional to 172,725.11, 238,362.38 and 101,106.66

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Solution

The fourth proportional to 172,725.11, 238,362.38 and 101,106.66 is: 139,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,725.11 : 238,362.38 = 101,106.66 : x
  2. Step 2: Convert to fraction form
    172,725.11/238,362.38 = 101,106.66/x
  3. Step 3: Cross multiply
    172,725.11x = 238,362.38 × 101,106.66
  4. Step 4: Simplify right side
    172,725.11x = 24,100,024,878.93
  5. Step 5: Solve for x
    x = 24,100,024,878.93/172,725.11
  6. Step 6: Final answer
    x = 139,528.21

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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.