Home / 199,574.31-275,412.56-136,023.13

Finding the Fourth Proportional to 199,574.31, 275,412.56 and 136,023.13

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Solution

The fourth proportional to 199,574.31, 275,412.56 and 136,023.13 is: 187,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,574.31 : 275,412.56 = 136,023.13 : x
  2. Step 2: Convert to fraction form
    199,574.31/275,412.56 = 136,023.13/x
  3. Step 3: Cross multiply
    199,574.31x = 275,412.56 × 136,023.13
  4. Step 4: Simplify right side
    199,574.31x = 37,462,478,452.51
  5. Step 5: Solve for x
    x = 37,462,478,452.51/199,574.31
  6. Step 6: Final answer
    x = 187,711.93

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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.