Home / 211,968.36-292,522.86-116,478

Finding the Fourth Proportional to 211,968.36, 292,522.86 and 116,478

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Solution

The fourth proportional to 211,968.36, 292,522.86 and 116,478 is: 160,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,968.36 : 292,522.86 = 116,478 : x
  2. Step 2: Convert to fraction form
    211,968.36/292,522.86 = 116,478/x
  3. Step 3: Cross multiply
    211,968.36x = 292,522.86 × 116,478
  4. Step 4: Simplify right side
    211,968.36x = 34,072,477,687.08
  5. Step 5: Solve for x
    x = 34,072,477,687.08/211,968.36
  6. Step 6: Final answer
    x = 160,743.22

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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.