Home / 171,108.72-236,125.93-99,513.63

Finding the Fourth Proportional to 171,108.72, 236,125.93 and 99,513.63

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Solution

The fourth proportional to 171,108.72, 236,125.93 and 99,513.63 is: 137,326.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,108.72 : 236,125.93 = 99,513.63 : x
  2. Step 2: Convert to fraction form
    171,108.72/236,125.93 = 99,513.63/x
  3. Step 3: Cross multiply
    171,108.72x = 236,125.93 × 99,513.63
  4. Step 4: Simplify right side
    171,108.72x = 23,497,748,431.43
  5. Step 5: Solve for x
    x = 23,497,748,431.43/171,108.72
  6. Step 6: Final answer
    x = 137,326.42

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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.