Home / 147,664.40-221,496.60-126,928.40

Finding the Fourth Proportional to 147,664.40, 221,496.60 and 126,928.40

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Solution

The fourth proportional to 147,664.40, 221,496.60 and 126,928.40 is: 190,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,664.40 : 221,496.60 = 126,928.40 : x
  2. Step 2: Convert to fraction form
    147,664.40/221,496.60 = 126,928.40/x
  3. Step 3: Cross multiply
    147,664.40x = 221,496.60 × 126,928.40
  4. Step 4: Simplify right side
    147,664.40x = 28,114,209,043.44
  5. Step 5: Solve for x
    x = 28,114,209,043.44/147,664.40
  6. Step 6: Final answer
    x = 190,392.60

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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.