Home / 190,928.80-286,393.20-97,616.80

Finding the Fourth Proportional to 190,928.80, 286,393.20 and 97,616.80

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Solution

The fourth proportional to 190,928.80, 286,393.20 and 97,616.80 is: 146,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,928.80 : 286,393.20 = 97,616.80 : x
  2. Step 2: Convert to fraction form
    190,928.80/286,393.20 = 97,616.80/x
  3. Step 3: Cross multiply
    190,928.80x = 286,393.20 × 97,616.80
  4. Step 4: Simplify right side
    190,928.80x = 27,956,787,725.76
  5. Step 5: Solve for x
    x = 27,956,787,725.76/190,928.80
  6. Step 6: Final answer
    x = 146,425.20

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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.