Home / 156,928.10-235,003.35-100,681.70

Finding the Fourth Proportional to 156,928.10, 235,003.35 and 100,681.70

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Solution

The fourth proportional to 156,928.10, 235,003.35 and 100,681.70 is: 150,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,928.10 : 235,003.35 = 100,681.70 : x
  2. Step 2: Convert to fraction form
    156,928.10/235,003.35 = 100,681.70/x
  3. Step 3: Cross multiply
    156,928.10x = 235,003.35 × 100,681.70
  4. Step 4: Simplify right side
    156,928.10x = 23,660,536,783.70
  5. Step 5: Solve for x
    x = 23,660,536,783.70/156,928.10
  6. Step 6: Final answer
    x = 150,773.10

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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.