Home / 358,864.40-538,296.60-109,546.40

Finding the Fourth Proportional to 358,864.40, 538,296.60 and 109,546.40

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Solution

The fourth proportional to 358,864.40, 538,296.60 and 109,546.40 is: 164,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,864.40 : 538,296.60 = 109,546.40 : x
  2. Step 2: Convert to fraction form
    358,864.40/538,296.60 = 109,546.40/x
  3. Step 3: Cross multiply
    358,864.40x = 538,296.60 × 109,546.40
  4. Step 4: Simplify right side
    358,864.40x = 58,968,454,662.24
  5. Step 5: Solve for x
    x = 58,968,454,662.24/358,864.40
  6. Step 6: Final answer
    x = 164,319.60

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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.