Home / 94,975.60-142,463.40-90,601.60

Finding the Fourth Proportional to 94,975.60, 142,463.40 and 90,601.60

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Solution

The fourth proportional to 94,975.60, 142,463.40 and 90,601.60 is: 135,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,975.60 : 142,463.40 = 90,601.60 : x
  2. Step 2: Convert to fraction form
    94,975.60/142,463.40 = 90,601.60/x
  3. Step 3: Cross multiply
    94,975.60x = 142,463.40 × 90,601.60
  4. Step 4: Simplify right side
    94,975.60x = 12,907,411,981.44
  5. Step 5: Solve for x
    x = 12,907,411,981.44/94,975.60
  6. Step 6: Final answer
    x = 135,902.40

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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.