Home / 114,409.37-157,709.93-80,322.23

Finding the Fourth Proportional to 114,409.37, 157,709.93 and 80,322.23

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Solution

The fourth proportional to 114,409.37, 157,709.93 and 80,322.23 is: 110,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,409.37 : 157,709.93 = 80,322.23 : x
  2. Step 2: Convert to fraction form
    114,409.37/157,709.93 = 80,322.23/x
  3. Step 3: Cross multiply
    114,409.37x = 157,709.93 × 80,322.23
  4. Step 4: Simplify right side
    114,409.37x = 12,667,612,080.58
  5. Step 5: Solve for x
    x = 12,667,612,080.58/114,409.37
  6. Step 6: Final answer
    x = 110,721.81

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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.