Home / 401,985.62-602,190.12-233,151.20

Finding the Fourth Proportional to 401,985.62, 602,190.12 and 233,151.20

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Solution

The fourth proportional to 401,985.62, 602,190.12 and 233,151.20 is: 349,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,985.62 : 602,190.12 = 233,151.20 : x
  2. Step 2: Convert to fraction form
    401,985.62/602,190.12 = 233,151.20/x
  3. Step 3: Cross multiply
    401,985.62x = 602,190.12 × 233,151.20
  4. Step 4: Simplify right side
    401,985.62x = 140,401,349,106.14
  5. Step 5: Solve for x
    x = 140,401,349,106.14/401,985.62
  6. Step 6: Final answer
    x = 349,269.58

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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.