Home / 395,892.02-593,712.59-143,139.06

Finding the Fourth Proportional to 395,892.02, 593,712.59 and 143,139.06

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Solution

The fourth proportional to 395,892.02, 593,712.59 and 143,139.06 is: 214,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,892.02 : 593,712.59 = 143,139.06 : x
  2. Step 2: Convert to fraction form
    395,892.02/593,712.59 = 143,139.06/x
  3. Step 3: Cross multiply
    395,892.02x = 593,712.59 × 143,139.06
  4. Step 4: Simplify right side
    395,892.02x = 84,983,461,327.07
  5. Step 5: Solve for x
    x = 84,983,461,327.07/395,892.02
  6. Step 6: Final answer
    x = 214,663.23

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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.