Home / 197,136.64-272,051.16-112,254.04

Finding the Fourth Proportional to 197,136.64, 272,051.16 and 112,254.04

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Solution

The fourth proportional to 197,136.64, 272,051.16 and 112,254.04 is: 154,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,136.64 : 272,051.16 = 112,254.04 : x
  2. Step 2: Convert to fraction form
    197,136.64/272,051.16 = 112,254.04/x
  3. Step 3: Cross multiply
    197,136.64x = 272,051.16 × 112,254.04
  4. Step 4: Simplify right side
    197,136.64x = 30,538,841,796.69
  5. Step 5: Solve for x
    x = 30,538,841,796.69/197,136.64
  6. Step 6: Final answer
    x = 154,912.05

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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.