Home / 197,538.82-272,608.23-112,654.06

Finding the Fourth Proportional to 197,538.82, 272,608.23 and 112,654.06

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Solution

The fourth proportional to 197,538.82, 272,608.23 and 112,654.06 is: 155,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,538.82 : 272,608.23 = 112,654.06 : x
  2. Step 2: Convert to fraction form
    197,538.82/272,608.23 = 112,654.06/x
  3. Step 3: Cross multiply
    197,538.82x = 272,608.23 × 112,654.06
  4. Step 4: Simplify right side
    197,538.82x = 30,710,423,639.85
  5. Step 5: Solve for x
    x = 30,710,423,639.85/197,538.82
  6. Step 6: Final answer
    x = 155,465.26

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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.