Home / 172,181.02-237,656.73-111,748.15

Finding the Fourth Proportional to 172,181.02, 237,656.73 and 111,748.15

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Solution

The fourth proportional to 172,181.02, 237,656.73 and 111,748.15 is: 154,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,181.02 : 237,656.73 = 111,748.15 : x
  2. Step 2: Convert to fraction form
    172,181.02/237,656.73 = 111,748.15/x
  3. Step 3: Cross multiply
    172,181.02x = 237,656.73 × 111,748.15
  4. Step 4: Simplify right side
    172,181.02x = 26,557,699,912.55
  5. Step 5: Solve for x
    x = 26,557,699,912.55/172,181.02
  6. Step 6: Final answer
    x = 154,242.90

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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.