Home / 96,200.88-143,528.70-86,247.60

Finding the Fourth Proportional to 96,200.88, 143,528.70 and 86,247.60

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Solution

The fourth proportional to 96,200.88, 143,528.70 and 86,247.60 is: 128,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,200.88 : 143,528.70 = 86,247.60 : x
  2. Step 2: Convert to fraction form
    96,200.88/143,528.70 = 86,247.60/x
  3. Step 3: Cross multiply
    96,200.88x = 143,528.70 × 86,247.60
  4. Step 4: Simplify right side
    96,200.88x = 12,379,005,906.12
  5. Step 5: Solve for x
    x = 12,379,005,906.12/96,200.88
  6. Step 6: Final answer
    x = 128,678.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.