Home / 172,124.12-237,549.78-104,178.48

Finding the Fourth Proportional to 172,124.12, 237,549.78 and 104,178.48

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Solution

The fourth proportional to 172,124.12, 237,549.78 and 104,178.48 is: 143,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,124.12 : 237,549.78 = 104,178.48 : x
  2. Step 2: Convert to fraction form
    172,124.12/237,549.78 = 104,178.48/x
  3. Step 3: Cross multiply
    172,124.12x = 237,549.78 × 104,178.48
  4. Step 4: Simplify right side
    172,124.12x = 24,747,575,004.73
  5. Step 5: Solve for x
    x = 24,747,575,004.73/172,124.12
  6. Step 6: Final answer
    x = 143,777.50

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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.