Home / 172,878.37-238,483.19-115,499.34

Finding the Fourth Proportional to 172,878.37, 238,483.19 and 115,499.34

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Solution

The fourth proportional to 172,878.37, 238,483.19 and 115,499.34 is: 159,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,878.37 : 238,483.19 = 115,499.34 : x
  2. Step 2: Convert to fraction form
    172,878.37/238,483.19 = 115,499.34/x
  3. Step 3: Cross multiply
    172,878.37x = 238,483.19 × 115,499.34
  4. Step 4: Simplify right side
    172,878.37x = 27,544,651,334.84
  5. Step 5: Solve for x
    x = 27,544,651,334.84/172,878.37
  6. Step 6: Final answer
    x = 159,329.66

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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.