Home / 351,216.20-484,678.40-190,071.29

Finding the Fourth Proportional to 351,216.20, 484,678.40 and 190,071.29

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Solution

The fourth proportional to 351,216.20, 484,678.40 and 190,071.29 is: 262,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,216.20 : 484,678.40 = 190,071.29 : x
  2. Step 2: Convert to fraction form
    351,216.20/484,678.40 = 190,071.29/x
  3. Step 3: Cross multiply
    351,216.20x = 484,678.40 × 190,071.29
  4. Step 4: Simplify right side
    351,216.20x = 92,123,445,349.39
  5. Step 5: Solve for x
    x = 92,123,445,349.39/351,216.20
  6. Step 6: Final answer
    x = 262,298.40

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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.