Home / 208,126.58-312,189.46-160,810.43

Finding the Fourth Proportional to 208,126.58, 312,189.46 and 160,810.43

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Solution

The fourth proportional to 208,126.58, 312,189.46 and 160,810.43 is: 241,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,126.58 : 312,189.46 = 160,810.43 : x
  2. Step 2: Convert to fraction form
    208,126.58/312,189.46 = 160,810.43/x
  3. Step 3: Cross multiply
    208,126.58x = 312,189.46 × 160,810.43
  4. Step 4: Simplify right side
    208,126.58x = 50,203,319,341.09
  5. Step 5: Solve for x
    x = 50,203,319,341.09/208,126.58
  6. Step 6: Final answer
    x = 241,215.32

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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.