Home / 401,720.18-602,584.42-102,200.90

Finding the Fourth Proportional to 401,720.18, 602,584.42 and 102,200.90

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Solution

The fourth proportional to 401,720.18, 602,584.42 and 102,200.90 is: 153,302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,720.18 : 602,584.42 = 102,200.90 : x
  2. Step 2: Convert to fraction form
    401,720.18/602,584.42 = 102,200.90/x
  3. Step 3: Cross multiply
    401,720.18x = 602,584.42 × 102,200.90
  4. Step 4: Simplify right side
    401,720.18x = 61,584,670,049.98
  5. Step 5: Solve for x
    x = 61,584,670,049.98/401,720.18
  6. Step 6: Final answer
    x = 153,302.41

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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.