Home / 193,429.90-290,152.14-53,199.46

Finding the Fourth Proportional to 193,429.90, 290,152.14 and 53,199.46

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Solution

The fourth proportional to 193,429.90, 290,152.14 and 53,199.46 is: 79,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,429.90 : 290,152.14 = 53,199.46 : x
  2. Step 2: Convert to fraction form
    193,429.90/290,152.14 = 53,199.46/x
  3. Step 3: Cross multiply
    193,429.90x = 290,152.14 × 53,199.46
  4. Step 4: Simplify right side
    193,429.90x = 15,435,937,165.84
  5. Step 5: Solve for x
    x = 15,435,937,165.84/193,429.90
  6. Step 6: Final answer
    x = 79,801.19

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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.