Home / 208,204.32-312,259.86-95,776.68

Finding the Fourth Proportional to 208,204.32, 312,259.86 and 95,776.68

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Solution

The fourth proportional to 208,204.32, 312,259.86 and 95,776.68 is: 143,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,204.32 : 312,259.86 = 95,776.68 : x
  2. Step 2: Convert to fraction form
    208,204.32/312,259.86 = 95,776.68/x
  3. Step 3: Cross multiply
    208,204.32x = 312,259.86 × 95,776.68
  4. Step 4: Simplify right side
    208,204.32x = 29,907,212,688.06
  5. Step 5: Solve for x
    x = 29,907,212,688.06/208,204.32
  6. Step 6: Final answer
    x = 143,643.57

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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.