Home / 154,895.59-213,357.63-109,495.49

Finding the Fourth Proportional to 154,895.59, 213,357.63 and 109,495.49

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Solution

The fourth proportional to 154,895.59, 213,357.63 and 109,495.49 is: 150,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,895.59 : 213,357.63 = 109,495.49 : x
  2. Step 2: Convert to fraction form
    154,895.59/213,357.63 = 109,495.49/x
  3. Step 3: Cross multiply
    154,895.59x = 213,357.63 × 109,495.49
  4. Step 4: Simplify right side
    154,895.59x = 23,361,698,170.13
  5. Step 5: Solve for x
    x = 23,361,698,170.13/154,895.59
  6. Step 6: Final answer
    x = 150,822.23

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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.