Home / 338,015.08-507,519.42-188,547.40

Finding the Fourth Proportional to 338,015.08, 507,519.42 and 188,547.40

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Solution

The fourth proportional to 338,015.08, 507,519.42 and 188,547.40 is: 283,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,015.08 : 507,519.42 = 188,547.40 : x
  2. Step 2: Convert to fraction form
    338,015.08/507,519.42 = 188,547.40/x
  3. Step 3: Cross multiply
    338,015.08x = 507,519.42 × 188,547.40
  4. Step 4: Simplify right side
    338,015.08x = 95,691,467,090.51
  5. Step 5: Solve for x
    x = 95,691,467,090.51/338,015.08
  6. Step 6: Final answer
    x = 283,098.22

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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.