Home / 130,795-196,194.35-37,300.75

Finding the Fourth Proportional to 130,795, 196,194.35 and 37,300.75

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Solution

The fourth proportional to 130,795, 196,194.35 and 37,300.75 is: 55,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,795 : 196,194.35 = 37,300.75 : x
  2. Step 2: Convert to fraction form
    130,795/196,194.35 = 37,300.75/x
  3. Step 3: Cross multiply
    130,795x = 196,194.35 × 37,300.75
  4. Step 4: Simplify right side
    130,795x = 7,318,196,400.76
  5. Step 5: Solve for x
    x = 7,318,196,400.76/130,795
  6. Step 6: Final answer
    x = 55,951.65

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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.