Home / 195,138.63-292,727.52-52,986.06

Finding the Fourth Proportional to 195,138.63, 292,727.52 and 52,986.06

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Solution

The fourth proportional to 195,138.63, 292,727.52 and 52,986.06 is: 79,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,138.63 : 292,727.52 = 52,986.06 : x
  2. Step 2: Convert to fraction form
    195,138.63/292,727.52 = 52,986.06/x
  3. Step 3: Cross multiply
    195,138.63x = 292,727.52 × 52,986.06
  4. Step 4: Simplify right side
    195,138.63x = 15,510,477,938.37
  5. Step 5: Solve for x
    x = 15,510,477,938.37/195,138.63
  6. Step 6: Final answer
    x = 79,484.41

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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.