Home / 131,200.20-196,800.30-56,307.60

Finding the Fourth Proportional to 131,200.20, 196,800.30 and 56,307.60

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Solution

The fourth proportional to 131,200.20, 196,800.30 and 56,307.60 is: 84,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,200.20 : 196,800.30 = 56,307.60 : x
  2. Step 2: Convert to fraction form
    131,200.20/196,800.30 = 56,307.60/x
  3. Step 3: Cross multiply
    131,200.20x = 196,800.30 × 56,307.60
  4. Step 4: Simplify right side
    131,200.20x = 11,081,352,572.28
  5. Step 5: Solve for x
    x = 11,081,352,572.28/131,200.20
  6. Step 6: Final answer
    x = 84,461.40

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1.5x scale

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.