Home / 168,051.92-231,733.32-151,126.16

Finding the Fourth Proportional to 168,051.92, 231,733.32 and 151,126.16

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Solution

The fourth proportional to 168,051.92, 231,733.32 and 151,126.16 is: 208,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,051.92 : 231,733.32 = 151,126.16 : x
  2. Step 2: Convert to fraction form
    168,051.92/231,733.32 = 151,126.16/x
  3. Step 3: Cross multiply
    168,051.92x = 231,733.32 × 151,126.16
  4. Step 4: Simplify right side
    168,051.92x = 35,020,966,795.65
  5. Step 5: Solve for x
    x = 35,020,966,795.65/168,051.92
  6. Step 6: Final answer
    x = 208,393.73

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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.