Home / 340,308.81-469,574.08-197,041.21

Finding the Fourth Proportional to 340,308.81, 469,574.08 and 197,041.21

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Solution

The fourth proportional to 340,308.81, 469,574.08 and 197,041.21 is: 271,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,308.81 : 469,574.08 = 197,041.21 : x
  2. Step 2: Convert to fraction form
    340,308.81/469,574.08 = 197,041.21/x
  3. Step 3: Cross multiply
    340,308.81x = 469,574.08 × 197,041.21
  4. Step 4: Simplify right side
    340,308.81x = 92,525,443,241.30
  5. Step 5: Solve for x
    x = 92,525,443,241.30/340,308.81
  6. Step 6: Final answer
    x = 271,886.71

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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.