Home / 252,000.04-347,760.66-138,824.68

Finding the Fourth Proportional to 252,000.04, 347,760.66 and 138,824.68

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Solution

The fourth proportional to 252,000.04, 347,760.66 and 138,824.68 is: 191,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,000.04 : 347,760.66 = 138,824.68 : x
  2. Step 2: Convert to fraction form
    252,000.04/347,760.66 = 138,824.68/x
  3. Step 3: Cross multiply
    252,000.04x = 347,760.66 × 138,824.68
  4. Step 4: Simplify right side
    252,000.04x = 48,277,762,341.09
  5. Step 5: Solve for x
    x = 48,277,762,341.09/252,000.04
  6. Step 6: Final answer
    x = 191,578.39

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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.