Home / 223,254.54-308,093.64-121,281.18

Finding the Fourth Proportional to 223,254.54, 308,093.64 and 121,281.18

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Solution

The fourth proportional to 223,254.54, 308,093.64 and 121,281.18 is: 167,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,254.54 : 308,093.64 = 121,281.18 : x
  2. Step 2: Convert to fraction form
    223,254.54/308,093.64 = 121,281.18/x
  3. Step 3: Cross multiply
    223,254.54x = 308,093.64 × 121,281.18
  4. Step 4: Simplify right side
    223,254.54x = 37,365,960,209.70
  5. Step 5: Solve for x
    x = 37,365,960,209.70/223,254.54
  6. Step 6: Final answer
    x = 167,369.32

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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.