Home / 238,320-357,529.23-69,845.85

Finding the Fourth Proportional to 238,320, 357,529.23 and 69,845.85

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Solution

The fourth proportional to 238,320, 357,529.23 and 69,845.85 is: 104,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,320 : 357,529.23 = 69,845.85 : x
  2. Step 2: Convert to fraction form
    238,320/357,529.23 = 69,845.85/x
  3. Step 3: Cross multiply
    238,320x = 357,529.23 × 69,845.85
  4. Step 4: Simplify right side
    238,320x = 24,971,932,969.20
  5. Step 5: Solve for x
    x = 24,971,932,969.20/238,320
  6. Step 6: Final answer
    x = 104,783.20

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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.