Home / 353,128.60-529,919.70-195,470.20

Finding the Fourth Proportional to 353,128.60, 529,919.70 and 195,470.20

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Solution

The fourth proportional to 353,128.60, 529,919.70 and 195,470.20 is: 293,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,128.60 : 529,919.70 = 195,470.20 : x
  2. Step 2: Convert to fraction form
    353,128.60/529,919.70 = 195,470.20/x
  3. Step 3: Cross multiply
    353,128.60x = 529,919.70 × 195,470.20
  4. Step 4: Simplify right side
    353,128.60x = 103,583,509,742.94
  5. Step 5: Solve for x
    x = 103,583,509,742.94/353,128.60
  6. Step 6: Final answer
    x = 293,330.84

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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.