Home / 114,600.08-158,129.62-66,194.31

Finding the Fourth Proportional to 114,600.08, 158,129.62 and 66,194.31

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Solution

The fourth proportional to 114,600.08, 158,129.62 and 66,194.31 is: 91,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,600.08 : 158,129.62 = 66,194.31 : x
  2. Step 2: Convert to fraction form
    114,600.08/158,129.62 = 66,194.31/x
  3. Step 3: Cross multiply
    114,600.08x = 158,129.62 × 66,194.31
  4. Step 4: Simplify right side
    114,600.08x = 10,467,281,086.46
  5. Step 5: Solve for x
    x = 10,467,281,086.46/114,600.08
  6. Step 6: Final answer
    x = 91,337.47

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1.5x scale

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.