Home / 242,544.36-363,830.04-74,090.28

Finding the Fourth Proportional to 242,544.36, 363,830.04 and 74,090.28

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Solution

The fourth proportional to 242,544.36, 363,830.04 and 74,090.28 is: 111,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,544.36 : 363,830.04 = 74,090.28 : x
  2. Step 2: Convert to fraction form
    242,544.36/363,830.04 = 74,090.28/x
  3. Step 3: Cross multiply
    242,544.36x = 363,830.04 × 74,090.28
  4. Step 4: Simplify right side
    242,544.36x = 26,956,269,536.01
  5. Step 5: Solve for x
    x = 26,956,269,536.01/242,544.36
  6. Step 6: Final answer
    x = 111,139.54

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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.