Home / 223,583.14-308,567.37-128,102.50

Finding the Fourth Proportional to 223,583.14, 308,567.37 and 128,102.50

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Solution

The fourth proportional to 223,583.14, 308,567.37 and 128,102.50 is: 176,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,583.14 : 308,567.37 = 128,102.50 : x
  2. Step 2: Convert to fraction form
    223,583.14/308,567.37 = 128,102.50/x
  3. Step 3: Cross multiply
    223,583.14x = 308,567.37 × 128,102.50
  4. Step 4: Simplify right side
    223,583.14x = 39,528,251,515.43
  5. Step 5: Solve for x
    x = 39,528,251,515.43/223,583.14
  6. Step 6: Final answer
    x = 176,794.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.