Home / 369,845.37-554,783.91-145,254.48

Finding the Fourth Proportional to 369,845.37, 554,783.91 and 145,254.48

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Solution

The fourth proportional to 369,845.37, 554,783.91 and 145,254.48 is: 217,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,845.37 : 554,783.91 = 145,254.48 : x
  2. Step 2: Convert to fraction form
    369,845.37/554,783.91 = 145,254.48/x
  3. Step 3: Cross multiply
    369,845.37x = 554,783.91 × 145,254.48
  4. Step 4: Simplify right side
    369,845.37x = 80,584,848,359.42
  5. Step 5: Solve for x
    x = 80,584,848,359.42/369,845.37
  6. Step 6: Final answer
    x = 217,887.95

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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.