Home / 130,665.60-196,026.24-74,532.48

Finding the Fourth Proportional to 130,665.60, 196,026.24 and 74,532.48

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Solution

The fourth proportional to 130,665.60, 196,026.24 and 74,532.48 is: 111,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,665.60 : 196,026.24 = 74,532.48 : x
  2. Step 2: Convert to fraction form
    130,665.60/196,026.24 = 74,532.48/x
  3. Step 3: Cross multiply
    130,665.60x = 196,026.24 × 74,532.48
  4. Step 4: Simplify right side
    130,665.60x = 14,610,321,812.28
  5. Step 5: Solve for x
    x = 14,610,321,812.28/130,665.60
  6. Step 6: Final answer
    x = 111,814.60

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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.