Home / 133,058.65-183,619.29-72,629.68

Finding the Fourth Proportional to 133,058.65, 183,619.29 and 72,629.68

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Solution

The fourth proportional to 133,058.65, 183,619.29 and 72,629.68 is: 100,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058.65 : 183,619.29 = 72,629.68 : x
  2. Step 2: Convert to fraction form
    133,058.65/183,619.29 = 72,629.68/x
  3. Step 3: Cross multiply
    133,058.65x = 183,619.29 × 72,629.68
  4. Step 4: Simplify right side
    133,058.65x = 13,336,210,274.53
  5. Step 5: Solve for x
    x = 13,336,210,274.53/133,058.65
  6. Step 6: Final answer
    x = 100,228.06

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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.