Home / 172,123.12-237,548.40-104,177.48

Finding the Fourth Proportional to 172,123.12, 237,548.40 and 104,177.48

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Solution

The fourth proportional to 172,123.12, 237,548.40 and 104,177.48 is: 143,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,123.12 : 237,548.40 = 104,177.48 : x
  2. Step 2: Convert to fraction form
    172,123.12/237,548.40 = 104,177.48/x
  3. Step 3: Cross multiply
    172,123.12x = 237,548.40 × 104,177.48
  4. Step 4: Simplify right side
    172,123.12x = 24,747,193,690.03
  5. Step 5: Solve for x
    x = 24,747,193,690.03/172,123.12
  6. Step 6: Final answer
    x = 143,776.12

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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.