Home / 251,602.20-347,210.55-144,171.90

Finding the Fourth Proportional to 251,602.20, 347,210.55 and 144,171.90

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Solution

The fourth proportional to 251,602.20, 347,210.55 and 144,171.90 is: 198,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,602.20 : 347,210.55 = 144,171.90 : x
  2. Step 2: Convert to fraction form
    251,602.20/347,210.55 = 144,171.90/x
  3. Step 3: Cross multiply
    251,602.20x = 347,210.55 × 144,171.90
  4. Step 4: Simplify right side
    251,602.20x = 50,058,004,693.55
  5. Step 5: Solve for x
    x = 50,058,004,693.55/251,602.20
  6. Step 6: Final answer
    x = 198,956.94

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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.