Home / 340,979.64-470,551.92-190,076.64

Finding the Fourth Proportional to 340,979.64, 470,551.92 and 190,076.64

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Solution

The fourth proportional to 340,979.64, 470,551.92 and 190,076.64 is: 262,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,979.64 : 470,551.92 = 190,076.64 : x
  2. Step 2: Convert to fraction form
    340,979.64/470,551.92 = 190,076.64/x
  3. Step 3: Cross multiply
    340,979.64x = 470,551.92 × 190,076.64
  4. Step 4: Simplify right side
    340,979.64x = 89,440,927,899.15
  5. Step 5: Solve for x
    x = 89,440,927,899.15/340,979.64
  6. Step 6: Final answer
    x = 262,305.77

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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.