Home / 167,809.20-251,130.60-153,812.40

Finding the Fourth Proportional to 167,809.20, 251,130.60 and 153,812.40

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Solution

The fourth proportional to 167,809.20, 251,130.60 and 153,812.40 is: 230,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,809.20 : 251,130.60 = 153,812.40 : x
  2. Step 2: Convert to fraction form
    167,809.20/251,130.60 = 153,812.40/x
  3. Step 3: Cross multiply
    167,809.20x = 251,130.60 × 153,812.40
  4. Step 4: Simplify right side
    167,809.20x = 38,627,000,299.44
  5. Step 5: Solve for x
    x = 38,627,000,299.44/167,809.20
  6. Step 6: Final answer
    x = 230,184.04

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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.