Home / 165,756.03-248,635.73-90,835.35

Finding the Fourth Proportional to 165,756.03, 248,635.73 and 90,835.35

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Solution

The fourth proportional to 165,756.03, 248,635.73 and 90,835.35 is: 136,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,756.03 : 248,635.73 = 90,835.35 : x
  2. Step 2: Convert to fraction form
    165,756.03/248,635.73 = 90,835.35/x
  3. Step 3: Cross multiply
    165,756.03x = 248,635.73 × 90,835.35
  4. Step 4: Simplify right side
    165,756.03x = 22,584,913,557.06
  5. Step 5: Solve for x
    x = 22,584,913,557.06/165,756.03
  6. Step 6: Final answer
    x = 136,253.95

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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.