Home / 177,721.83-245,238.77-101,234.92

Finding the Fourth Proportional to 177,721.83, 245,238.77 and 101,234.92

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Solution

The fourth proportional to 177,721.83, 245,238.77 and 101,234.92 is: 139,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,721.83 : 245,238.77 = 101,234.92 : x
  2. Step 2: Convert to fraction form
    177,721.83/245,238.77 = 101,234.92/x
  3. Step 3: Cross multiply
    177,721.83x = 245,238.77 × 101,234.92
  4. Step 4: Simplify right side
    177,721.83x = 24,826,727,261.85
  5. Step 5: Solve for x
    x = 24,826,727,261.85/177,721.83
  6. Step 6: Final answer
    x = 139,694.30

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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.