Home / 114,529.20-171,502.20-109,280.40

Finding the Fourth Proportional to 114,529.20, 171,502.20 and 109,280.40

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Solution

The fourth proportional to 114,529.20, 171,502.20 and 109,280.40 is: 163,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,529.20 : 171,502.20 = 109,280.40 : x
  2. Step 2: Convert to fraction form
    114,529.20/171,502.20 = 109,280.40/x
  3. Step 3: Cross multiply
    114,529.20x = 171,502.20 × 109,280.40
  4. Step 4: Simplify right side
    114,529.20x = 18,741,829,016.88
  5. Step 5: Solve for x
    x = 18,741,829,016.88/114,529.20
  6. Step 6: Final answer
    x = 163,642.36

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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.