Home / 114,650.90-158,222.80-66,251.23

Finding the Fourth Proportional to 114,650.90, 158,222.80 and 66,251.23

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Solution

The fourth proportional to 114,650.90, 158,222.80 and 66,251.23 is: 91,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,650.90 : 158,222.80 = 66,251.23 : x
  2. Step 2: Convert to fraction form
    114,650.90/158,222.80 = 66,251.23/x
  3. Step 3: Cross multiply
    114,650.90x = 158,222.80 × 66,251.23
  4. Step 4: Simplify right side
    114,650.90x = 10,482,453,991.67
  5. Step 5: Solve for x
    x = 10,482,453,991.67/114,650.90
  6. Step 6: Final answer
    x = 91,429.32

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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.