Home / 353,211.20-529,816.80-153,497.60

Finding the Fourth Proportional to 353,211.20, 529,816.80 and 153,497.60

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Solution

The fourth proportional to 353,211.20, 529,816.80 and 153,497.60 is: 230,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,211.20 : 529,816.80 = 153,497.60 : x
  2. Step 2: Convert to fraction form
    353,211.20/529,816.80 = 153,497.60/x
  3. Step 3: Cross multiply
    353,211.20x = 529,816.80 × 153,497.60
  4. Step 4: Simplify right side
    353,211.20x = 81,325,607,239.68
  5. Step 5: Solve for x
    x = 81,325,607,239.68/353,211.20
  6. Step 6: Final answer
    x = 230,246.40

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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.