Home / 193,690.47-290,527.79-53,445.51

Finding the Fourth Proportional to 193,690.47, 290,527.79 and 53,445.51

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Solution

The fourth proportional to 193,690.47, 290,527.79 and 53,445.51 is: 80,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,690.47 : 290,527.79 = 53,445.51 : x
  2. Step 2: Convert to fraction form
    193,690.47/290,527.79 = 53,445.51/x
  3. Step 3: Cross multiply
    193,690.47x = 290,527.79 × 53,445.51
  4. Step 4: Simplify right side
    193,690.47x = 15,527,405,638.50
  5. Step 5: Solve for x
    x = 15,527,405,638.50/193,690.47
  6. Step 6: Final answer
    x = 80,166.08

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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.