Home / 133,054.13-183,613.42-72,625.16

Finding the Fourth Proportional to 133,054.13, 183,613.42 and 72,625.16

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Solution

The fourth proportional to 133,054.13, 183,613.42 and 72,625.16 is: 100,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,054.13 : 183,613.42 = 72,625.16 : x
  2. Step 2: Convert to fraction form
    133,054.13/183,613.42 = 72,625.16/x
  3. Step 3: Cross multiply
    133,054.13x = 183,613.42 × 72,625.16
  4. Step 4: Simplify right side
    133,054.13x = 13,334,954,005.65
  5. Step 5: Solve for x
    x = 13,334,954,005.65/133,054.13
  6. Step 6: Final answer
    x = 100,222.02

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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.