Home / 171,045.86-236,080.76-99,467.18

Finding the Fourth Proportional to 171,045.86, 236,080.76 and 99,467.18

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Solution

The fourth proportional to 171,045.86, 236,080.76 and 99,467.18 is: 137,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,045.86 : 236,080.76 = 99,467.18 : x
  2. Step 2: Convert to fraction form
    171,045.86/236,080.76 = 99,467.18/x
  3. Step 3: Cross multiply
    171,045.86x = 236,080.76 × 99,467.18
  4. Step 4: Simplify right side
    171,045.86x = 23,482,285,771.72
  5. Step 5: Solve for x
    x = 23,482,285,771.72/171,045.86
  6. Step 6: Final answer
    x = 137,286.49

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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.