Home / 213,938.44-295,266.14-123,276.76

Finding the Fourth Proportional to 213,938.44, 295,266.14 and 123,276.76

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Solution

The fourth proportional to 213,938.44, 295,266.14 and 123,276.76 is: 170,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,938.44 : 295,266.14 = 123,276.76 : x
  2. Step 2: Convert to fraction form
    213,938.44/295,266.14 = 123,276.76/x
  3. Step 3: Cross multiply
    213,938.44x = 295,266.14 × 123,276.76
  4. Step 4: Simplify right side
    213,938.44x = 36,399,452,460.52
  5. Step 5: Solve for x
    x = 36,399,452,460.52/213,938.44
  6. Step 6: Final answer
    x = 170,139.84

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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.