Home / 197,693.06-272,835.99-112,822.88

Finding the Fourth Proportional to 197,693.06, 272,835.99 and 112,822.88

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Solution

The fourth proportional to 197,693.06, 272,835.99 and 112,822.88 is: 155,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,693.06 : 272,835.99 = 112,822.88 : x
  2. Step 2: Convert to fraction form
    197,693.06/272,835.99 = 112,822.88/x
  3. Step 3: Cross multiply
    197,693.06x = 272,835.99 × 112,822.88
  4. Step 4: Simplify right side
    197,693.06x = 30,782,142,159.45
  5. Step 5: Solve for x
    x = 30,782,142,159.45/197,693.06
  6. Step 6: Final answer
    x = 155,706.74

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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.