Home / 133,053.46-183,612.27-72,623.65

Finding the Fourth Proportional to 133,053.46, 183,612.27 and 72,623.65

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Solution

The fourth proportional to 133,053.46, 183,612.27 and 72,623.65 is: 100,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.46 : 183,612.27 = 72,623.65 : x
  2. Step 2: Convert to fraction form
    133,053.46/183,612.27 = 72,623.65/x
  3. Step 3: Cross multiply
    133,053.46x = 183,612.27 × 72,623.65
  4. Step 4: Simplify right side
    133,053.46x = 13,334,593,232.19
  5. Step 5: Solve for x
    x = 13,334,593,232.19/133,053.46
  6. Step 6: Final answer
    x = 100,219.82

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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.