Home / 156,733.30-235,099.95-38,405.80

Finding the Fourth Proportional to 156,733.30, 235,099.95 and 38,405.80

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Solution

The fourth proportional to 156,733.30, 235,099.95 and 38,405.80 is: 57,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,733.30 : 235,099.95 = 38,405.80 : x
  2. Step 2: Convert to fraction form
    156,733.30/235,099.95 = 38,405.80/x
  3. Step 3: Cross multiply
    156,733.30x = 235,099.95 × 38,405.80
  4. Step 4: Simplify right side
    156,733.30x = 9,029,201,659.71
  5. Step 5: Solve for x
    x = 9,029,201,659.71/156,733.30
  6. Step 6: Final answer
    x = 57,608.70

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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.