Home / 133,105.49-183,684.18-72,675.95

Finding the Fourth Proportional to 133,105.49, 183,684.18 and 72,675.95

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Solution

The fourth proportional to 133,105.49, 183,684.18 and 72,675.95 is: 100,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,105.49 : 183,684.18 = 72,675.95 : x
  2. Step 2: Convert to fraction form
    133,105.49/183,684.18 = 72,675.95/x
  3. Step 3: Cross multiply
    133,105.49x = 183,684.18 × 72,675.95
  4. Step 4: Simplify right side
    133,105.49x = 13,349,421,363.05
  5. Step 5: Solve for x
    x = 13,349,421,363.05/133,105.49
  6. Step 6: Final answer
    x = 100,292.05

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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.