Home / 131,108.60-196,533.30-52,117.40

Finding the Fourth Proportional to 131,108.60, 196,533.30 and 52,117.40

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Solution

The fourth proportional to 131,108.60, 196,533.30 and 52,117.40 is: 78,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,108.60 : 196,533.30 = 52,117.40 : x
  2. Step 2: Convert to fraction form
    131,108.60/196,533.30 = 52,117.40/x
  3. Step 3: Cross multiply
    131,108.60x = 196,533.30 × 52,117.40
  4. Step 4: Simplify right side
    131,108.60x = 10,242,804,609.42
  5. Step 5: Solve for x
    x = 10,242,804,609.42/131,108.60
  6. Step 6: Final answer
    x = 78,124.58

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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.