Home / 352,935.02-529,501.35-142,720.58

Finding the Fourth Proportional to 352,935.02, 529,501.35 and 142,720.58

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Solution

The fourth proportional to 352,935.02, 529,501.35 and 142,720.58 is: 214,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,935.02 : 529,501.35 = 142,720.58 : x
  2. Step 2: Convert to fraction form
    352,935.02/529,501.35 = 142,720.58/x
  3. Step 3: Cross multiply
    352,935.02x = 529,501.35 × 142,720.58
  4. Step 4: Simplify right side
    352,935.02x = 75,570,739,782.78
  5. Step 5: Solve for x
    x = 75,570,739,782.78/352,935.02
  6. Step 6: Final answer
    x = 214,120.83

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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.