Home / 114,199.27-157,558.77-66,443.39

Finding the Fourth Proportional to 114,199.27, 157,558.77 and 66,443.39

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Solution

The fourth proportional to 114,199.27, 157,558.77 and 66,443.39 is: 91,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,199.27 : 157,558.77 = 66,443.39 : x
  2. Step 2: Convert to fraction form
    114,199.27/157,558.77 = 66,443.39/x
  3. Step 3: Cross multiply
    114,199.27x = 157,558.77 × 66,443.39
  4. Step 4: Simplify right side
    114,199.27x = 10,468,739,305.48
  5. Step 5: Solve for x
    x = 10,468,739,305.48/114,199.27
  6. Step 6: Final answer
    x = 91,670.81

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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.