Home / 172,606.55-238,196.80-101,000.37

Finding the Fourth Proportional to 172,606.55, 238,196.80 and 101,000.37

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Solution

The fourth proportional to 172,606.55, 238,196.80 and 101,000.37 is: 139,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,606.55 : 238,196.80 = 101,000.37 : x
  2. Step 2: Convert to fraction form
    172,606.55/238,196.80 = 101,000.37/x
  3. Step 3: Cross multiply
    172,606.55x = 238,196.80 × 101,000.37
  4. Step 4: Simplify right side
    172,606.55x = 24,057,964,612.45
  5. Step 5: Solve for x
    x = 24,057,964,612.45/172,606.55
  6. Step 6: Final answer
    x = 139,380.37

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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.