Home / 130,097.20-195,048.60-70,999.60

Finding the Fourth Proportional to 130,097.20, 195,048.60 and 70,999.60

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Solution

The fourth proportional to 130,097.20, 195,048.60 and 70,999.60 is: 106,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,097.20 : 195,048.60 = 70,999.60 : x
  2. Step 2: Convert to fraction form
    130,097.20/195,048.60 = 70,999.60/x
  3. Step 3: Cross multiply
    130,097.20x = 195,048.60 × 70,999.60
  4. Step 4: Simplify right side
    130,097.20x = 13,848,372,580.56
  5. Step 5: Solve for x
    x = 13,848,372,580.56/130,097.20
  6. Step 6: Final answer
    x = 106,446.35

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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.