Home / 192,071.04-265,083.12-107,205.72

Finding the Fourth Proportional to 192,071.04, 265,083.12 and 107,205.72

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Solution

The fourth proportional to 192,071.04, 265,083.12 and 107,205.72 is: 147,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,071.04 : 265,083.12 = 107,205.72 : x
  2. Step 2: Convert to fraction form
    192,071.04/265,083.12 = 107,205.72/x
  3. Step 3: Cross multiply
    192,071.04x = 265,083.12 × 107,205.72
  4. Step 4: Simplify right side
    192,071.04x = 28,418,426,203.42
  5. Step 5: Solve for x
    x = 28,418,426,203.42/192,071.04
  6. Step 6: Final answer
    x = 147,957.89

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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.