Home / 346,816.80-519,836.40-197,128.80

Finding the Fourth Proportional to 346,816.80, 519,836.40 and 197,128.80

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Solution

The fourth proportional to 346,816.80, 519,836.40 and 197,128.80 is: 295,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,816.80 : 519,836.40 = 197,128.80 : x
  2. Step 2: Convert to fraction form
    346,816.80/519,836.40 = 197,128.80/x
  3. Step 3: Cross multiply
    346,816.80x = 519,836.40 × 197,128.80
  4. Step 4: Simplify right side
    346,816.80x = 102,474,725,728.32
  5. Step 5: Solve for x
    x = 102,474,725,728.32/346,816.80
  6. Step 6: Final answer
    x = 295,472.21

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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.