Home / 197,488.40-272,527.26-112,632.80

Finding the Fourth Proportional to 197,488.40, 272,527.26 and 112,632.80

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Solution

The fourth proportional to 197,488.40, 272,527.26 and 112,632.80 is: 155,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,488.40 : 272,527.26 = 112,632.80 : x
  2. Step 2: Convert to fraction form
    197,488.40/272,527.26 = 112,632.80/x
  3. Step 3: Cross multiply
    197,488.40x = 272,527.26 × 112,632.80
  4. Step 4: Simplify right side
    197,488.40x = 30,695,508,629.07
  5. Step 5: Solve for x
    x = 30,695,508,629.07/197,488.40
  6. Step 6: Final answer
    x = 155,429.42

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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.