Home / 130,690.40-196,035.76-37,196.16

Finding the Fourth Proportional to 130,690.40, 196,035.76 and 37,196.16

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Solution

The fourth proportional to 130,690.40, 196,035.76 and 37,196.16 is: 55,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,690.40 : 196,035.76 = 37,196.16 : x
  2. Step 2: Convert to fraction form
    130,690.40/196,035.76 = 37,196.16/x
  3. Step 3: Cross multiply
    130,690.40x = 196,035.76 × 37,196.16
  4. Step 4: Simplify right side
    130,690.40x = 7,291,777,494.68
  5. Step 5: Solve for x
    x = 7,291,777,494.68/130,690.40
  6. Step 6: Final answer
    x = 55,794.29

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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.