Home / 114,534.20-171,509.70-109,285.40

Finding the Fourth Proportional to 114,534.20, 171,509.70 and 109,285.40

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Solution

The fourth proportional to 114,534.20, 171,509.70 and 109,285.40 is: 163,649.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,534.20 : 171,509.70 = 109,285.40 : x
  2. Step 2: Convert to fraction form
    114,534.20/171,509.70 = 109,285.40/x
  3. Step 3: Cross multiply
    114,534.20x = 171,509.70 × 109,285.40
  4. Step 4: Simplify right side
    114,534.20x = 18,743,506,168.38
  5. Step 5: Solve for x
    x = 18,743,506,168.38/114,534.20
  6. Step 6: Final answer
    x = 163,649.86

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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.