Home / 388,824.78-583,237.14-93,336.78

Finding the Fourth Proportional to 388,824.78, 583,237.14 and 93,336.78

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Solution

The fourth proportional to 388,824.78, 583,237.14 and 93,336.78 is: 140,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,824.78 : 583,237.14 = 93,336.78 : x
  2. Step 2: Convert to fraction form
    388,824.78/583,237.14 = 93,336.78/x
  3. Step 3: Cross multiply
    388,824.78x = 583,237.14 × 93,336.78
  4. Step 4: Simplify right side
    388,824.78x = 54,437,476,624.01
  5. Step 5: Solve for x
    x = 54,437,476,624.01/388,824.78
  6. Step 6: Final answer
    x = 140,005.16

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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.