Home / 197,700.05-272,830.65-112,825.01

Finding the Fourth Proportional to 197,700.05, 272,830.65 and 112,825.01

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Solution

The fourth proportional to 197,700.05, 272,830.65 and 112,825.01 is: 155,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,700.05 : 272,830.65 = 112,825.01 : x
  2. Step 2: Convert to fraction form
    197,700.05/272,830.65 = 112,825.01/x
  3. Step 3: Cross multiply
    197,700.05x = 272,830.65 × 112,825.01
  4. Step 4: Simplify right side
    197,700.05x = 30,782,120,814.56
  5. Step 5: Solve for x
    x = 30,782,120,814.56/197,700.05
  6. Step 6: Final answer
    x = 155,701.13

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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.