Home / 461,736.40-692,539.80-146,225.20

Finding the Fourth Proportional to 461,736.40, 692,539.80 and 146,225.20

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Solution

The fourth proportional to 461,736.40, 692,539.80 and 146,225.20 is: 219,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,736.40 : 692,539.80 = 146,225.20 : x
  2. Step 2: Convert to fraction form
    461,736.40/692,539.80 = 146,225.20/x
  3. Step 3: Cross multiply
    461,736.40x = 692,539.80 × 146,225.20
  4. Step 4: Simplify right side
    461,736.40x = 101,266,770,762.96
  5. Step 5: Solve for x
    x = 101,266,770,762.96/461,736.40
  6. Step 6: Final answer
    x = 219,317.28

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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.