Home / 140,054.52-192,998.88-99,655.16

Finding the Fourth Proportional to 140,054.52, 192,998.88 and 99,655.16

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Solution

The fourth proportional to 140,054.52, 192,998.88 and 99,655.16 is: 137,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,054.52 : 192,998.88 = 99,655.16 : x
  2. Step 2: Convert to fraction form
    140,054.52/192,998.88 = 99,655.16/x
  3. Step 3: Cross multiply
    140,054.52x = 192,998.88 × 99,655.16
  4. Step 4: Simplify right side
    140,054.52x = 19,233,334,266.22
  5. Step 5: Solve for x
    x = 19,233,334,266.22/140,054.52
  6. Step 6: Final answer
    x = 137,327.48

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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.