Home / 197,729.84-272,886.66-112,859.66

Finding the Fourth Proportional to 197,729.84, 272,886.66 and 112,859.66

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Solution

The fourth proportional to 197,729.84, 272,886.66 and 112,859.66 is: 155,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,729.84 : 272,886.66 = 112,859.66 : x
  2. Step 2: Convert to fraction form
    197,729.84/272,886.66 = 112,859.66/x
  3. Step 3: Cross multiply
    197,729.84x = 272,886.66 × 112,859.66
  4. Step 4: Simplify right side
    197,729.84x = 30,797,895,666.14
  5. Step 5: Solve for x
    x = 30,797,895,666.14/197,729.84
  6. Step 6: Final answer
    x = 155,757.45

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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.