Home / 352,037.60-528,056.40-115,404.20

Finding the Fourth Proportional to 352,037.60, 528,056.40 and 115,404.20

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Solution

The fourth proportional to 352,037.60, 528,056.40 and 115,404.20 is: 173,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,037.60 : 528,056.40 = 115,404.20 : x
  2. Step 2: Convert to fraction form
    352,037.60/528,056.40 = 115,404.20/x
  3. Step 3: Cross multiply
    352,037.60x = 528,056.40 × 115,404.20
  4. Step 4: Simplify right side
    352,037.60x = 60,939,926,396.88
  5. Step 5: Solve for x
    x = 60,939,926,396.88/352,037.60
  6. Step 6: Final answer
    x = 173,106.30

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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.