Home / 201,741.18-302,747.85-83,412.06

Finding the Fourth Proportional to 201,741.18, 302,747.85 and 83,412.06

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Solution

The fourth proportional to 201,741.18, 302,747.85 and 83,412.06 is: 125,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,741.18 : 302,747.85 = 83,412.06 : x
  2. Step 2: Convert to fraction form
    201,741.18/302,747.85 = 83,412.06/x
  3. Step 3: Cross multiply
    201,741.18x = 302,747.85 × 83,412.06
  4. Step 4: Simplify right side
    201,741.18x = 25,252,821,829.07
  5. Step 5: Solve for x
    x = 25,252,821,829.07/201,741.18
  6. Step 6: Final answer
    x = 125,174.35

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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.