Home / 213,173.70-294,171.93-117,680.10

Finding the Fourth Proportional to 213,173.70, 294,171.93 and 117,680.10

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Solution

The fourth proportional to 213,173.70, 294,171.93 and 117,680.10 is: 162,394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,173.70 : 294,171.93 = 117,680.10 : x
  2. Step 2: Convert to fraction form
    213,173.70/294,171.93 = 117,680.10/x
  3. Step 3: Cross multiply
    213,173.70x = 294,171.93 × 117,680.10
  4. Step 4: Simplify right side
    213,173.70x = 34,618,182,139.59
  5. Step 5: Solve for x
    x = 34,618,182,139.59/213,173.70
  6. Step 6: Final answer
    x = 162,394.25

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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.