Home / 145,153.27-200,304.84-80,626.60

Finding the Fourth Proportional to 145,153.27, 200,304.84 and 80,626.60

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Solution

The fourth proportional to 145,153.27, 200,304.84 and 80,626.60 is: 111,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,153.27 : 200,304.84 = 80,626.60 : x
  2. Step 2: Convert to fraction form
    145,153.27/200,304.84 = 80,626.60/x
  3. Step 3: Cross multiply
    145,153.27x = 200,304.84 × 80,626.60
  4. Step 4: Simplify right side
    145,153.27x = 16,149,898,765.47
  5. Step 5: Solve for x
    x = 16,149,898,765.47/145,153.27
  6. Step 6: Final answer
    x = 111,261.00

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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.