Home / 248,580.49-343,043.43-141,152.78

Finding the Fourth Proportional to 248,580.49, 343,043.43 and 141,152.78

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Solution

The fourth proportional to 248,580.49, 343,043.43 and 141,152.78 is: 194,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,580.49 : 343,043.43 = 141,152.78 : x
  2. Step 2: Convert to fraction form
    248,580.49/343,043.43 = 141,152.78/x
  3. Step 3: Cross multiply
    248,580.49x = 343,043.43 × 141,152.78
  4. Step 4: Simplify right side
    248,580.49x = 48,421,533,805.24
  5. Step 5: Solve for x
    x = 48,421,533,805.24/248,580.49
  6. Step 6: Final answer
    x = 194,792.17

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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.