Home / 213,140.54-294,133.98-117,647.28

Finding the Fourth Proportional to 213,140.54, 294,133.98 and 117,647.28

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Solution

The fourth proportional to 213,140.54, 294,133.98 and 117,647.28 is: 162,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,140.54 : 294,133.98 = 117,647.28 : x
  2. Step 2: Convert to fraction form
    213,140.54/294,133.98 = 117,647.28/x
  3. Step 3: Cross multiply
    213,140.54x = 294,133.98 × 117,647.28
  4. Step 4: Simplify right side
    213,140.54x = 34,604,062,702.57
  5. Step 5: Solve for x
    x = 34,604,062,702.57/213,140.54
  6. Step 6: Final answer
    x = 162,353.27

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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.