Home / 197,489.65-272,528.98-112,634.05

Finding the Fourth Proportional to 197,489.65, 272,528.98 and 112,634.05

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Solution

The fourth proportional to 197,489.65, 272,528.98 and 112,634.05 is: 155,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,489.65 : 272,528.98 = 112,634.05 : x
  2. Step 2: Convert to fraction form
    197,489.65/272,528.98 = 112,634.05/x
  3. Step 3: Cross multiply
    197,489.65x = 272,528.98 × 112,634.05
  4. Step 4: Simplify right side
    197,489.65x = 30,696,042,759.77
  5. Step 5: Solve for x
    x = 30,696,042,759.77/197,489.65
  6. Step 6: Final answer
    x = 155,431.15

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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.