Home / 147,936.80-221,905.20-124,522.40

Finding the Fourth Proportional to 147,936.80, 221,905.20 and 124,522.40

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Solution

The fourth proportional to 147,936.80, 221,905.20 and 124,522.40 is: 186,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,936.80 : 221,905.20 = 124,522.40 : x
  2. Step 2: Convert to fraction form
    147,936.80/221,905.20 = 124,522.40/x
  3. Step 3: Cross multiply
    147,936.80x = 221,905.20 × 124,522.40
  4. Step 4: Simplify right side
    147,936.80x = 27,632,168,076.48
  5. Step 5: Solve for x
    x = 27,632,168,076.48/147,936.80
  6. Step 6: Final answer
    x = 186,783.60

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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.