Home / 369,985.54-554,753.57-145,076.53

Finding the Fourth Proportional to 369,985.54, 554,753.57 and 145,076.53

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Solution

The fourth proportional to 369,985.54, 554,753.57 and 145,076.53 is: 217,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,985.54 : 554,753.57 = 145,076.53 : x
  2. Step 2: Convert to fraction form
    369,985.54/554,753.57 = 145,076.53/x
  3. Step 3: Cross multiply
    369,985.54x = 554,753.57 × 145,076.53
  4. Step 4: Simplify right side
    369,985.54x = 80,481,722,940.71
  5. Step 5: Solve for x
    x = 80,481,722,940.71/369,985.54
  6. Step 6: Final answer
    x = 217,526.67

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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.