Home / 243,034.24-364,334.40-130,774.72

Finding the Fourth Proportional to 243,034.24, 364,334.40 and 130,774.72

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Solution

The fourth proportional to 243,034.24, 364,334.40 and 130,774.72 is: 196,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,034.24 : 364,334.40 = 130,774.72 : x
  2. Step 2: Convert to fraction form
    243,034.24/364,334.40 = 130,774.72/x
  3. Step 3: Cross multiply
    243,034.24x = 364,334.40 × 130,774.72
  4. Step 4: Simplify right side
    243,034.24x = 47,645,729,146.37
  5. Step 5: Solve for x
    x = 47,645,729,146.37/243,034.24
  6. Step 6: Final answer
    x = 196,045.34

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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.