Home / 148,390.51-204,788.96-83,837.36

Finding the Fourth Proportional to 148,390.51, 204,788.96 and 83,837.36

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Solution

The fourth proportional to 148,390.51, 204,788.96 and 83,837.36 is: 115,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,390.51 : 204,788.96 = 83,837.36 : x
  2. Step 2: Convert to fraction form
    148,390.51/204,788.96 = 83,837.36/x
  3. Step 3: Cross multiply
    148,390.51x = 204,788.96 × 83,837.36
  4. Step 4: Simplify right side
    148,390.51x = 17,168,965,763.55
  5. Step 5: Solve for x
    x = 17,168,965,763.55/148,390.51
  6. Step 6: Final answer
    x = 115,701.24

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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.