Home / 156,984.10-235,087.35-125,880.10

Finding the Fourth Proportional to 156,984.10, 235,087.35 and 125,880.10

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Solution

The fourth proportional to 156,984.10, 235,087.35 and 125,880.10 is: 188,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,984.10 : 235,087.35 = 125,880.10 : x
  2. Step 2: Convert to fraction form
    156,984.10/235,087.35 = 125,880.10/x
  3. Step 3: Cross multiply
    156,984.10x = 235,087.35 × 125,880.10
  4. Step 4: Simplify right side
    156,984.10x = 29,592,819,126.74
  5. Step 5: Solve for x
    x = 29,592,819,126.74/156,984.10
  6. Step 6: Final answer
    x = 188,508.38

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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.