Home / 164,587.66-227,068.35-121,670.19

Finding the Fourth Proportional to 164,587.66, 227,068.35 and 121,670.19

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Solution

The fourth proportional to 164,587.66, 227,068.35 and 121,670.19 is: 167,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,587.66 : 227,068.35 = 121,670.19 : x
  2. Step 2: Convert to fraction form
    164,587.66/227,068.35 = 121,670.19/x
  3. Step 3: Cross multiply
    164,587.66x = 227,068.35 × 121,670.19
  4. Step 4: Simplify right side
    164,587.66x = 27,627,449,287.49
  5. Step 5: Solve for x
    x = 27,627,449,287.49/164,587.66
  6. Step 6: Final answer
    x = 167,858.57

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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.