Home / 213,750.90-294,974.06-118,258.28

Finding the Fourth Proportional to 213,750.90, 294,974.06 and 118,258.28

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Solution

The fourth proportional to 213,750.90, 294,974.06 and 118,258.28 is: 163,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,750.90 : 294,974.06 = 118,258.28 : x
  2. Step 2: Convert to fraction form
    213,750.90/294,974.06 = 118,258.28/x
  3. Step 3: Cross multiply
    213,750.90x = 294,974.06 × 118,258.28
  4. Step 4: Simplify right side
    213,750.90x = 34,883,124,020.21
  5. Step 5: Solve for x
    x = 34,883,124,020.21/213,750.90
  6. Step 6: Final answer
    x = 163,195.21

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1.5x scale

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.