Home / 114,288.04-171,133.86-91,979.56

Finding the Fourth Proportional to 114,288.04, 171,133.86 and 91,979.56

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Solution

The fourth proportional to 114,288.04, 171,133.86 and 91,979.56 is: 137,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,288.04 : 171,133.86 = 91,979.56 : x
  2. Step 2: Convert to fraction form
    114,288.04/171,133.86 = 91,979.56/x
  3. Step 3: Cross multiply
    114,288.04x = 171,133.86 × 91,979.56
  4. Step 4: Simplify right side
    114,288.04x = 15,740,817,143.90
  5. Step 5: Solve for x
    x = 15,740,817,143.90/114,288.04
  6. Step 6: Final answer
    x = 137,729.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.