Home / 114,314.31-157,753.71-63,330.35

Finding the Fourth Proportional to 114,314.31, 157,753.71 and 63,330.35

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Solution

The fourth proportional to 114,314.31, 157,753.71 and 63,330.35 is: 87,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,314.31 : 157,753.71 = 63,330.35 : x
  2. Step 2: Convert to fraction form
    114,314.31/157,753.71 = 63,330.35/x
  3. Step 3: Cross multiply
    114,314.31x = 157,753.71 × 63,330.35
  4. Step 4: Simplify right side
    114,314.31x = 9,990,597,668.10
  5. Step 5: Solve for x
    x = 9,990,597,668.10/114,314.31
  6. Step 6: Final answer
    x = 87,395.86

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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.