Home / 147,350.40-221,025.60-127,305.60

Finding the Fourth Proportional to 147,350.40, 221,025.60 and 127,305.60

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Solution

The fourth proportional to 147,350.40, 221,025.60 and 127,305.60 is: 190,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,350.40 : 221,025.60 = 127,305.60 : x
  2. Step 2: Convert to fraction form
    147,350.40/221,025.60 = 127,305.60/x
  3. Step 3: Cross multiply
    147,350.40x = 221,025.60 × 127,305.60
  4. Step 4: Simplify right side
    147,350.40x = 28,137,796,623.36
  5. Step 5: Solve for x
    x = 28,137,796,623.36/147,350.40
  6. Step 6: Final answer
    x = 190,958.40

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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.