Home / 172,123.36-237,548.76-104,177.72

Finding the Fourth Proportional to 172,123.36, 237,548.76 and 104,177.72

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Solution

The fourth proportional to 172,123.36, 237,548.76 and 104,177.72 is: 143,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,123.36 : 237,548.76 = 104,177.72 : x
  2. Step 2: Convert to fraction form
    172,123.36/237,548.76 = 104,177.72/x
  3. Step 3: Cross multiply
    172,123.36x = 237,548.76 × 104,177.72
  4. Step 4: Simplify right side
    172,123.36x = 24,747,288,205.63
  5. Step 5: Solve for x
    x = 24,747,288,205.63/172,123.36
  6. Step 6: Final answer
    x = 143,776.46

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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.