Home / 321,050.49-481,607.54-118,699.66

Finding the Fourth Proportional to 321,050.49, 481,607.54 and 118,699.66

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Solution

The fourth proportional to 321,050.49, 481,607.54 and 118,699.66 is: 178,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,050.49 : 481,607.54 = 118,699.66 : x
  2. Step 2: Convert to fraction form
    321,050.49/481,607.54 = 118,699.66/x
  3. Step 3: Cross multiply
    321,050.49x = 481,607.54 × 118,699.66
  4. Step 4: Simplify right side
    321,050.49x = 57,166,651,705.07
  5. Step 5: Solve for x
    x = 57,166,651,705.07/321,050.49
  6. Step 6: Final answer
    x = 178,061.25

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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.