Home / 173,764.20-239,723.33-105,726.63

Finding the Fourth Proportional to 173,764.20, 239,723.33 and 105,726.63

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Solution

The fourth proportional to 173,764.20, 239,723.33 and 105,726.63 is: 145,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,764.20 : 239,723.33 = 105,726.63 : x
  2. Step 2: Convert to fraction form
    173,764.20/239,723.33 = 105,726.63/x
  3. Step 3: Cross multiply
    173,764.20x = 239,723.33 × 105,726.63
  4. Step 4: Simplify right side
    173,764.20x = 25,345,139,429.88
  5. Step 5: Solve for x
    x = 25,345,139,429.88/173,764.20
  6. Step 6: Final answer
    x = 145,859.39

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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.