Home / 114,118.74-171,206.12-80,450.55

Finding the Fourth Proportional to 114,118.74, 171,206.12 and 80,450.55

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Solution

The fourth proportional to 114,118.74, 171,206.12 and 80,450.55 is: 120,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,118.74 : 171,206.12 = 80,450.55 : x
  2. Step 2: Convert to fraction form
    114,118.74/171,206.12 = 80,450.55/x
  3. Step 3: Cross multiply
    114,118.74x = 171,206.12 × 80,450.55
  4. Step 4: Simplify right side
    114,118.74x = 13,773,626,718.49
  5. Step 5: Solve for x
    x = 13,773,626,718.49/114,118.74
  6. Step 6: Final answer
    x = 120,695.57

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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.