Home / 197,357.58-272,384.14-129,571.22

Finding the Fourth Proportional to 197,357.58, 272,384.14 and 129,571.22

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Solution

The fourth proportional to 197,357.58, 272,384.14 and 129,571.22 is: 178,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,357.58 : 272,384.14 = 129,571.22 : x
  2. Step 2: Convert to fraction form
    197,357.58/272,384.14 = 129,571.22/x
  3. Step 3: Cross multiply
    197,357.58x = 272,384.14 × 129,571.22
  4. Step 4: Simplify right side
    197,357.58x = 35,293,145,328.45
  5. Step 5: Solve for x
    x = 35,293,145,328.45/197,357.58
  6. Step 6: Final answer
    x = 178,828.43

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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.