Home / 210,960.45-291,124.94-115,466.31

Finding the Fourth Proportional to 210,960.45, 291,124.94 and 115,466.31

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Solution

The fourth proportional to 210,960.45, 291,124.94 and 115,466.31 is: 159,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,960.45 : 291,124.94 = 115,466.31 : x
  2. Step 2: Convert to fraction form
    210,960.45/291,124.94 = 115,466.31/x
  3. Step 3: Cross multiply
    210,960.45x = 291,124.94 × 115,466.31
  4. Step 4: Simplify right side
    210,960.45x = 33,615,121,993.44
  5. Step 5: Solve for x
    x = 33,615,121,993.44/210,960.45
  6. Step 6: Final answer
    x = 159,343.24

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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.