Home / 223,045.02-307,791.63-121,068.18

Finding the Fourth Proportional to 223,045.02, 307,791.63 and 121,068.18

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Solution

The fourth proportional to 223,045.02, 307,791.63 and 121,068.18 is: 167,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,045.02 : 307,791.63 = 121,068.18 : x
  2. Step 2: Convert to fraction form
    223,045.02/307,791.63 = 121,068.18/x
  3. Step 3: Cross multiply
    223,045.02x = 307,791.63 × 121,068.18
  4. Step 4: Simplify right side
    223,045.02x = 37,263,772,463.33
  5. Step 5: Solve for x
    x = 37,263,772,463.33/223,045.02
  6. Step 6: Final answer
    x = 167,068.39

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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.