Home / 130,156.20-195,307.20-55,263.60

Finding the Fourth Proportional to 130,156.20, 195,307.20 and 55,263.60

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Solution

The fourth proportional to 130,156.20, 195,307.20 and 55,263.60 is: 82,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,156.20 : 195,307.20 = 55,263.60 : x
  2. Step 2: Convert to fraction form
    130,156.20/195,307.20 = 55,263.60/x
  3. Step 3: Cross multiply
    130,156.20x = 195,307.20 × 55,263.60
  4. Step 4: Simplify right side
    130,156.20x = 10,793,378,977.92
  5. Step 5: Solve for x
    x = 10,793,378,977.92/130,156.20
  6. Step 6: Final answer
    x = 82,926.35

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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.