Home / 249,849.48-374,805.33-81,386.82

Finding the Fourth Proportional to 249,849.48, 374,805.33 and 81,386.82

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Solution

The fourth proportional to 249,849.48, 374,805.33 and 81,386.82 is: 122,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,849.48 : 374,805.33 = 81,386.82 : x
  2. Step 2: Convert to fraction form
    249,849.48/374,805.33 = 81,386.82/x
  3. Step 3: Cross multiply
    249,849.48x = 374,805.33 × 81,386.82
  4. Step 4: Simplify right side
    249,849.48x = 30,504,213,927.75
  5. Step 5: Solve for x
    x = 30,504,213,927.75/249,849.48
  6. Step 6: Final answer
    x = 122,090.36

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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.