Home / 205,888.58-308,430.64-141,835.41

Finding the Fourth Proportional to 205,888.58, 308,430.64 and 141,835.41

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Solution

The fourth proportional to 205,888.58, 308,430.64 and 141,835.41 is: 212,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,888.58 : 308,430.64 = 141,835.41 : x
  2. Step 2: Convert to fraction form
    205,888.58/308,430.64 = 141,835.41/x
  3. Step 3: Cross multiply
    205,888.58x = 308,430.64 × 141,835.41
  4. Step 4: Simplify right side
    205,888.58x = 43,746,387,724.63
  5. Step 5: Solve for x
    x = 43,746,387,724.63/205,888.58
  6. Step 6: Final answer
    x = 212,476.02

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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.