Home / 173,193.28-238,981.10-105,174.88

Finding the Fourth Proportional to 173,193.28, 238,981.10 and 105,174.88

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Solution

The fourth proportional to 173,193.28, 238,981.10 and 105,174.88 is: 145,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,193.28 : 238,981.10 = 105,174.88 : x
  2. Step 2: Convert to fraction form
    173,193.28/238,981.10 = 105,174.88/x
  3. Step 3: Cross multiply
    173,193.28x = 238,981.10 × 105,174.88
  4. Step 4: Simplify right side
    173,193.28x = 25,134,808,514.77
  5. Step 5: Solve for x
    x = 25,134,808,514.77/173,193.28
  6. Step 6: Final answer
    x = 145,125.77

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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.