Home / 156,729.30-235,093.95-77,997.30

Finding the Fourth Proportional to 156,729.30, 235,093.95 and 77,997.30

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Solution

The fourth proportional to 156,729.30, 235,093.95 and 77,997.30 is: 116,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,729.30 : 235,093.95 = 77,997.30 : x
  2. Step 2: Convert to fraction form
    156,729.30/235,093.95 = 77,997.30/x
  3. Step 3: Cross multiply
    156,729.30x = 235,093.95 × 77,997.30
  4. Step 4: Simplify right side
    156,729.30x = 18,336,693,346.34
  5. Step 5: Solve for x
    x = 18,336,693,346.34/156,729.30
  6. Step 6: Final answer
    x = 116,995.95

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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.