Home / 150,968.66-208,332.32-82,985.58

Finding the Fourth Proportional to 150,968.66, 208,332.32 and 82,985.58

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Solution

The fourth proportional to 150,968.66, 208,332.32 and 82,985.58 is: 114,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,968.66 : 208,332.32 = 82,985.58 : x
  2. Step 2: Convert to fraction form
    150,968.66/208,332.32 = 82,985.58/x
  3. Step 3: Cross multiply
    150,968.66x = 208,332.32 × 82,985.58
  4. Step 4: Simplify right side
    150,968.66x = 17,288,577,993.02
  5. Step 5: Solve for x
    x = 17,288,577,993.02/150,968.66
  6. Step 6: Final answer
    x = 114,517.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.