Home / 208,094.55-312,141.83-88,170.40

Finding the Fourth Proportional to 208,094.55, 312,141.83 and 88,170.40

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Solution

The fourth proportional to 208,094.55, 312,141.83 and 88,170.40 is: 132,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,094.55 : 312,141.83 = 88,170.40 : x
  2. Step 2: Convert to fraction form
    208,094.55/312,141.83 = 88,170.40/x
  3. Step 3: Cross multiply
    208,094.55x = 312,141.83 × 88,170.40
  4. Step 4: Simplify right side
    208,094.55x = 27,521,670,007.83
  5. Step 5: Solve for x
    x = 27,521,670,007.83/208,094.55
  6. Step 6: Final answer
    x = 132,255.60

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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.