Home / 348,165.76-522,396.32-190,209.69

Finding the Fourth Proportional to 348,165.76, 522,396.32 and 190,209.69

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Solution

The fourth proportional to 348,165.76, 522,396.32 and 190,209.69 is: 285,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,165.76 : 522,396.32 = 190,209.69 : x
  2. Step 2: Convert to fraction form
    348,165.76/522,396.32 = 190,209.69/x
  3. Step 3: Cross multiply
    348,165.76x = 522,396.32 × 190,209.69
  4. Step 4: Simplify right side
    348,165.76x = 99,364,842,084.34
  5. Step 5: Solve for x
    x = 99,364,842,084.34/348,165.76
  6. Step 6: Final answer
    x = 285,395.22

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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.