Home / 190,366.60-285,204.30-155,115.40

Finding the Fourth Proportional to 190,366.60, 285,204.30 and 155,115.40

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Solution

The fourth proportional to 190,366.60, 285,204.30 and 155,115.40 is: 232,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,366.60 : 285,204.30 = 155,115.40 : x
  2. Step 2: Convert to fraction form
    190,366.60/285,204.30 = 155,115.40/x
  3. Step 3: Cross multiply
    190,366.60x = 285,204.30 × 155,115.40
  4. Step 4: Simplify right side
    190,366.60x = 44,239,579,076.22
  5. Step 5: Solve for x
    x = 44,239,579,076.22/190,366.60
  6. Step 6: Final answer
    x = 232,391.50

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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.