Home / 133,006.02-183,552.74-72,579.98

Finding the Fourth Proportional to 133,006.02, 183,552.74 and 72,579.98

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Solution

The fourth proportional to 133,006.02, 183,552.74 and 72,579.98 is: 100,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,006.02 : 183,552.74 = 72,579.98 : x
  2. Step 2: Convert to fraction form
    133,006.02/183,552.74 = 72,579.98/x
  3. Step 3: Cross multiply
    133,006.02x = 183,552.74 × 72,579.98
  4. Step 4: Simplify right side
    133,006.02x = 13,322,252,917.48
  5. Step 5: Solve for x
    x = 13,322,252,917.48/133,006.02
  6. Step 6: Final answer
    x = 100,162.78

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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.