Home / 176,422.72-243,474.24-100,969.60

Finding the Fourth Proportional to 176,422.72, 243,474.24 and 100,969.60

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Solution

The fourth proportional to 176,422.72, 243,474.24 and 100,969.60 is: 139,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,422.72 : 243,474.24 = 100,969.60 : x
  2. Step 2: Convert to fraction form
    176,422.72/243,474.24 = 100,969.60/x
  3. Step 3: Cross multiply
    176,422.72x = 243,474.24 × 100,969.60
  4. Step 4: Simplify right side
    176,422.72x = 24,583,496,623.10
  5. Step 5: Solve for x
    x = 24,583,496,623.10/176,422.72
  6. Step 6: Final answer
    x = 139,344.28

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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.