Home / 343,190.50-473,442.70-215,936.26

Finding the Fourth Proportional to 343,190.50, 473,442.70 and 215,936.26

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Solution

The fourth proportional to 343,190.50, 473,442.70 and 215,936.26 is: 297,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,190.50 : 473,442.70 = 215,936.26 : x
  2. Step 2: Convert to fraction form
    343,190.50/473,442.70 = 215,936.26/x
  3. Step 3: Cross multiply
    343,190.50x = 473,442.70 × 215,936.26
  4. Step 4: Simplify right side
    343,190.50x = 102,233,445,962.30
  5. Step 5: Solve for x
    x = 102,233,445,962.30/343,190.50
  6. Step 6: Final answer
    x = 297,891.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.