Home / 156,923.90-235,240.05-109,538.90

Finding the Fourth Proportional to 156,923.90, 235,240.05 and 109,538.90

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Solution

The fourth proportional to 156,923.90, 235,240.05 and 109,538.90 is: 164,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.90 : 235,240.05 = 109,538.90 : x
  2. Step 2: Convert to fraction form
    156,923.90/235,240.05 = 109,538.90/x
  3. Step 3: Cross multiply
    156,923.90x = 235,240.05 × 109,538.90
  4. Step 4: Simplify right side
    156,923.90x = 25,767,936,312.95
  5. Step 5: Solve for x
    x = 25,767,936,312.95/156,923.90
  6. Step 6: Final answer
    x = 164,206.58

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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.