Home / 197,030.06-271,901.79-112,147.13

Finding the Fourth Proportional to 197,030.06, 271,901.79 and 112,147.13

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Solution

The fourth proportional to 197,030.06, 271,901.79 and 112,147.13 is: 154,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,030.06 : 271,901.79 = 112,147.13 : x
  2. Step 2: Convert to fraction form
    197,030.06/271,901.79 = 112,147.13/x
  3. Step 3: Cross multiply
    197,030.06x = 271,901.79 × 112,147.13
  4. Step 4: Simplify right side
    197,030.06x = 30,493,005,390.36
  5. Step 5: Solve for x
    x = 30,493,005,390.36/197,030.06
  6. Step 6: Final answer
    x = 154,763.21

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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.