Home / 151,566.18-209,173.79-83,596.45

Finding the Fourth Proportional to 151,566.18, 209,173.79 and 83,596.45

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Solution

The fourth proportional to 151,566.18, 209,173.79 and 83,596.45 is: 115,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,566.18 : 209,173.79 = 83,596.45 : x
  2. Step 2: Convert to fraction form
    151,566.18/209,173.79 = 83,596.45/x
  3. Step 3: Cross multiply
    151,566.18x = 209,173.79 × 83,596.45
  4. Step 4: Simplify right side
    151,566.18x = 17,486,186,277.05
  5. Step 5: Solve for x
    x = 17,486,186,277.05/151,566.18
  6. Step 6: Final answer
    x = 115,369.97

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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.