Home / 119,258.02-164,540.10-71,493.94

Finding the Fourth Proportional to 119,258.02, 164,540.10 and 71,493.94

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Solution

The fourth proportional to 119,258.02, 164,540.10 and 71,493.94 is: 98,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,258.02 : 164,540.10 = 71,493.94 : x
  2. Step 2: Convert to fraction form
    119,258.02/164,540.10 = 71,493.94/x
  3. Step 3: Cross multiply
    119,258.02x = 164,540.10 × 71,493.94
  4. Step 4: Simplify right side
    119,258.02x = 11,763,620,036.99
  5. Step 5: Solve for x
    x = 11,763,620,036.99/119,258.02
  6. Step 6: Final answer
    x = 98,640.07

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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.