Home / 156,749.55-235,124.33-38,422.05

Finding the Fourth Proportional to 156,749.55, 235,124.33 and 38,422.05

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Solution

The fourth proportional to 156,749.55, 235,124.33 and 38,422.05 is: 57,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,749.55 : 235,124.33 = 38,422.05 : x
  2. Step 2: Convert to fraction form
    156,749.55/235,124.33 = 38,422.05/x
  3. Step 3: Cross multiply
    156,749.55x = 235,124.33 × 38,422.05
  4. Step 4: Simplify right side
    156,749.55x = 9,033,958,571.37
  5. Step 5: Solve for x
    x = 9,033,958,571.37/156,749.55
  6. Step 6: Final answer
    x = 57,633.08

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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.