Home / 352,983.10-529,691.96-139,714.71

Finding the Fourth Proportional to 352,983.10, 529,691.96 and 139,714.71

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Solution

The fourth proportional to 352,983.10, 529,691.96 and 139,714.71 is: 209,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,983.10 : 529,691.96 = 139,714.71 : x
  2. Step 2: Convert to fraction form
    352,983.10/529,691.96 = 139,714.71/x
  3. Step 3: Cross multiply
    352,983.10x = 529,691.96 × 139,714.71
  4. Step 4: Simplify right side
    352,983.10x = 74,005,756,681.71
  5. Step 5: Solve for x
    x = 74,005,756,681.71/352,983.10
  6. Step 6: Final answer
    x = 209,658.07

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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.