Home / 277,054.56-382,158-192,140.64

Finding the Fourth Proportional to 277,054.56, 382,158 and 192,140.64

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Solution

The fourth proportional to 277,054.56, 382,158 and 192,140.64 is: 265,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,054.56 : 382,158 = 192,140.64 : x
  2. Step 2: Convert to fraction form
    277,054.56/382,158 = 192,140.64/x
  3. Step 3: Cross multiply
    277,054.56x = 382,158 × 192,140.64
  4. Step 4: Simplify right side
    277,054.56x = 73,428,082,701.12
  5. Step 5: Solve for x
    x = 73,428,082,701.12/277,054.56
  6. Step 6: Final answer
    x = 265,031.13

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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.