Home / 185,190.60-277,457.85-156,978.30

Finding the Fourth Proportional to 185,190.60, 277,457.85 and 156,978.30

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Solution

The fourth proportional to 185,190.60, 277,457.85 and 156,978.30 is: 235,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,190.60 : 277,457.85 = 156,978.30 : x
  2. Step 2: Convert to fraction form
    185,190.60/277,457.85 = 156,978.30/x
  3. Step 3: Cross multiply
    185,190.60x = 277,457.85 × 156,978.30
  4. Step 4: Simplify right side
    185,190.60x = 43,554,861,614.66
  5. Step 5: Solve for x
    x = 43,554,861,614.66/185,190.60
  6. Step 6: Final answer
    x = 235,189.38

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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.