Home / 170,104.19-254,988.98-81,336.93

Finding the Fourth Proportional to 170,104.19, 254,988.98 and 81,336.93

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Solution

The fourth proportional to 170,104.19, 254,988.98 and 81,336.93 is: 121,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,104.19 : 254,988.98 = 81,336.93 : x
  2. Step 2: Convert to fraction form
    170,104.19/254,988.98 = 81,336.93/x
  3. Step 3: Cross multiply
    170,104.19x = 254,988.98 × 81,336.93
  4. Step 4: Simplify right side
    170,104.19x = 20,740,019,759.15
  5. Step 5: Solve for x
    x = 20,740,019,759.15/170,104.19
  6. Step 6: Final answer
    x = 121,925.39

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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.