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Finding the Fourth Proportional to 147,130.90, 220,696.35 and 130,801.30

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Solution

The fourth proportional to 147,130.90, 220,696.35 and 130,801.30 is: 196,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,130.90 : 220,696.35 = 130,801.30 : x
  2. Step 2: Convert to fraction form
    147,130.90/220,696.35 = 130,801.30/x
  3. Step 3: Cross multiply
    147,130.90x = 220,696.35 × 130,801.30
  4. Step 4: Simplify right side
    147,130.90x = 28,867,369,485.26
  5. Step 5: Solve for x
    x = 28,867,369,485.26/147,130.90
  6. Step 6: Final answer
    x = 196,201.95

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1.5x scale

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.