Home / 465,941.08-698,907.78-133,517.40

Finding the Fourth Proportional to 465,941.08, 698,907.78 and 133,517.40

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Solution

The fourth proportional to 465,941.08, 698,907.78 and 133,517.40 is: 200,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,941.08 : 698,907.78 = 133,517.40 : x
  2. Step 2: Convert to fraction form
    465,941.08/698,907.78 = 133,517.40/x
  3. Step 3: Cross multiply
    465,941.08x = 698,907.78 × 133,517.40
  4. Step 4: Simplify right side
    465,941.08x = 93,316,349,625.37
  5. Step 5: Solve for x
    x = 93,316,349,625.37/465,941.08
  6. Step 6: Final answer
    x = 200,275.00

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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.