Home / 147,953.80-222,168.30-137,038.60

Finding the Fourth Proportional to 147,953.80, 222,168.30 and 137,038.60

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Solution

The fourth proportional to 147,953.80, 222,168.30 and 137,038.60 is: 205,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,953.80 : 222,168.30 = 137,038.60 : x
  2. Step 2: Convert to fraction form
    147,953.80/222,168.30 = 137,038.60/x
  3. Step 3: Cross multiply
    147,953.80x = 222,168.30 × 137,038.60
  4. Step 4: Simplify right side
    147,953.80x = 30,445,632,796.38
  5. Step 5: Solve for x
    x = 30,445,632,796.38/147,953.80
  6. Step 6: Final answer
    x = 205,777.97

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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.