Home / 209,938.69-314,596.99-172,762.93

Finding the Fourth Proportional to 209,938.69, 314,596.99 and 172,762.93

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Solution

The fourth proportional to 209,938.69, 314,596.99 and 172,762.93 is: 258,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,938.69 : 314,596.99 = 172,762.93 : x
  2. Step 2: Convert to fraction form
    209,938.69/314,596.99 = 172,762.93/x
  3. Step 3: Cross multiply
    209,938.69x = 314,596.99 × 172,762.93
  4. Step 4: Simplify right side
    209,938.69x = 54,350,697,761.58
  5. Step 5: Solve for x
    x = 54,350,697,761.58/209,938.69
  6. Step 6: Final answer
    x = 258,888.43

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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.