Home / 209,762.06-314,521.58-143,282.52

Finding the Fourth Proportional to 209,762.06, 314,521.58 and 143,282.52

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Solution

The fourth proportional to 209,762.06, 314,521.58 and 143,282.52 is: 214,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,762.06 : 314,521.58 = 143,282.52 : x
  2. Step 2: Convert to fraction form
    209,762.06/314,521.58 = 143,282.52/x
  3. Step 3: Cross multiply
    209,762.06x = 314,521.58 × 143,282.52
  4. Step 4: Simplify right side
    209,762.06x = 45,065,444,934.99
  5. Step 5: Solve for x
    x = 45,065,444,934.99/209,762.06
  6. Step 6: Final answer
    x = 214,840.79

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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.