Home / 197,030.18-271,901.96-112,147.26

Finding the Fourth Proportional to 197,030.18, 271,901.96 and 112,147.26

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Solution

The fourth proportional to 197,030.18, 271,901.96 and 112,147.26 is: 154,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,030.18 : 271,901.96 = 112,147.26 : x
  2. Step 2: Convert to fraction form
    197,030.18/271,901.96 = 112,147.26/x
  3. Step 3: Cross multiply
    197,030.18x = 271,901.96 × 112,147.26
  4. Step 4: Simplify right side
    197,030.18x = 30,493,059,802.63
  5. Step 5: Solve for x
    x = 30,493,059,802.63/197,030.18
  6. Step 6: Final answer
    x = 154,763.40

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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.