Home / 114,394.42-157,810.90-71,976.34

Finding the Fourth Proportional to 114,394.42, 157,810.90 and 71,976.34

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Solution

The fourth proportional to 114,394.42, 157,810.90 and 71,976.34 is: 99,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,394.42 : 157,810.90 = 71,976.34 : x
  2. Step 2: Convert to fraction form
    114,394.42/157,810.90 = 71,976.34/x
  3. Step 3: Cross multiply
    114,394.42x = 157,810.90 × 71,976.34
  4. Step 4: Simplify right side
    114,394.42x = 11,358,649,845.17
  5. Step 5: Solve for x
    x = 11,358,649,845.17/114,394.42
  6. Step 6: Final answer
    x = 99,293.74

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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.