Home / 212,186.64-292,810.86-116,693.04

Finding the Fourth Proportional to 212,186.64, 292,810.86 and 116,693.04

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Solution

The fourth proportional to 212,186.64, 292,810.86 and 116,693.04 is: 161,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,186.64 : 292,810.86 = 116,693.04 : x
  2. Step 2: Convert to fraction form
    212,186.64/292,810.86 = 116,693.04/x
  3. Step 3: Cross multiply
    212,186.64x = 292,810.86 × 116,693.04
  4. Step 4: Simplify right side
    212,186.64x = 34,168,989,398.41
  5. Step 5: Solve for x
    x = 34,168,989,398.41/212,186.64
  6. Step 6: Final answer
    x = 161,032.71

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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.