Home / 353,303.20-529,772.40-103,952.80

Finding the Fourth Proportional to 353,303.20, 529,772.40 and 103,952.80

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Solution

The fourth proportional to 353,303.20, 529,772.40 and 103,952.80 is: 155,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,303.20 : 529,772.40 = 103,952.80 : x
  2. Step 2: Convert to fraction form
    353,303.20/529,772.40 = 103,952.80/x
  3. Step 3: Cross multiply
    353,303.20x = 529,772.40 × 103,952.80
  4. Step 4: Simplify right side
    353,303.20x = 55,071,324,342.72
  5. Step 5: Solve for x
    x = 55,071,324,342.72/353,303.20
  6. Step 6: Final answer
    x = 155,875.53

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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.