Home / 133,124.24-183,712.96-72,695.61

Finding the Fourth Proportional to 133,124.24, 183,712.96 and 72,695.61

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Solution

The fourth proportional to 133,124.24, 183,712.96 and 72,695.61 is: 100,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,124.24 : 183,712.96 = 72,695.61 : x
  2. Step 2: Convert to fraction form
    133,124.24/183,712.96 = 72,695.61/x
  3. Step 3: Cross multiply
    133,124.24x = 183,712.96 × 72,695.61
  4. Step 4: Simplify right side
    133,124.24x = 13,355,125,782.98
  5. Step 5: Solve for x
    x = 13,355,125,782.98/133,124.24
  6. Step 6: Final answer
    x = 100,320.76

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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.