Home / 155,935.40-234,018.30-103,327.40

Finding the Fourth Proportional to 155,935.40, 234,018.30 and 103,327.40

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Solution

The fourth proportional to 155,935.40, 234,018.30 and 103,327.40 is: 155,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,935.40 : 234,018.30 = 103,327.40 : x
  2. Step 2: Convert to fraction form
    155,935.40/234,018.30 = 103,327.40/x
  3. Step 3: Cross multiply
    155,935.40x = 234,018.30 × 103,327.40
  4. Step 4: Simplify right side
    155,935.40x = 24,180,502,491.42
  5. Step 5: Solve for x
    x = 24,180,502,491.42/155,935.40
  6. Step 6: Final answer
    x = 155,067.43

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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.