Home / 205,258.10-308,203.95-111,946.10

Finding the Fourth Proportional to 205,258.10, 308,203.95 and 111,946.10

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Solution

The fourth proportional to 205,258.10, 308,203.95 and 111,946.10 is: 168,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,258.10 : 308,203.95 = 111,946.10 : x
  2. Step 2: Convert to fraction form
    205,258.10/308,203.95 = 111,946.10/x
  3. Step 3: Cross multiply
    205,258.10x = 308,203.95 × 111,946.10
  4. Step 4: Simplify right side
    205,258.10x = 34,502,230,207.10
  5. Step 5: Solve for x
    x = 34,502,230,207.10/205,258.10
  6. Step 6: Final answer
    x = 168,091.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.