Home / 168,918.93-233,108.21-105,256.98

Finding the Fourth Proportional to 168,918.93, 233,108.21 and 105,256.98

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Solution

The fourth proportional to 168,918.93, 233,108.21 and 105,256.98 is: 145,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,918.93 : 233,108.21 = 105,256.98 : x
  2. Step 2: Convert to fraction form
    168,918.93/233,108.21 = 105,256.98/x
  3. Step 3: Cross multiply
    168,918.93x = 233,108.21 × 105,256.98
  4. Step 4: Simplify right side
    168,918.93x = 24,536,266,460.95
  5. Step 5: Solve for x
    x = 24,536,266,460.95/168,918.93
  6. Step 6: Final answer
    x = 145,254.69

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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.