Home / 156,999.47-235,499.87-48,930.21

Finding the Fourth Proportional to 156,999.47, 235,499.87 and 48,930.21

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Solution

The fourth proportional to 156,999.47, 235,499.87 and 48,930.21 is: 73,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,999.47 : 235,499.87 = 48,930.21 : x
  2. Step 2: Convert to fraction form
    156,999.47/235,499.87 = 48,930.21/x
  3. Step 3: Cross multiply
    156,999.47x = 235,499.87 × 48,930.21
  4. Step 4: Simplify right side
    156,999.47x = 11,523,058,216.40
  5. Step 5: Solve for x
    x = 11,523,058,216.40/156,999.47
  6. Step 6: Final answer
    x = 73,395.53

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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.