Home / 197,889.81-272,938.51-124,323.63

Finding the Fourth Proportional to 197,889.81, 272,938.51 and 124,323.63

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Solution

The fourth proportional to 197,889.81, 272,938.51 and 124,323.63 is: 171,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,889.81 : 272,938.51 = 124,323.63 : x
  2. Step 2: Convert to fraction form
    197,889.81/272,938.51 = 124,323.63/x
  3. Step 3: Cross multiply
    197,889.81x = 272,938.51 × 124,323.63
  4. Step 4: Simplify right side
    197,889.81x = 33,932,704,762.56
  5. Step 5: Solve for x
    x = 33,932,704,762.56/197,889.81
  6. Step 6: Final answer
    x = 171,472.73

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1.5x scale

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.