Home / 119,208.51-164,434.77-70,777.58

Finding the Fourth Proportional to 119,208.51, 164,434.77 and 70,777.58

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Solution

The fourth proportional to 119,208.51, 164,434.77 and 70,777.58 is: 97,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,208.51 : 164,434.77 = 70,777.58 : x
  2. Step 2: Convert to fraction form
    119,208.51/164,434.77 = 70,777.58/x
  3. Step 3: Cross multiply
    119,208.51x = 164,434.77 × 70,777.58
  4. Step 4: Simplify right side
    119,208.51x = 11,638,294,266.28
  5. Step 5: Solve for x
    x = 11,638,294,266.28/119,208.51
  6. Step 6: Final answer
    x = 97,629.73

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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.