Home / 197,207.40-272,146.10-106,563.34

Finding the Fourth Proportional to 197,207.40, 272,146.10 and 106,563.34

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Solution

The fourth proportional to 197,207.40, 272,146.10 and 106,563.34 is: 147,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,207.40 : 272,146.10 = 106,563.34 : x
  2. Step 2: Convert to fraction form
    197,207.40/272,146.10 = 106,563.34/x
  3. Step 3: Cross multiply
    197,207.40x = 272,146.10 × 106,563.34
  4. Step 4: Simplify right side
    197,207.40x = 29,000,796,023.24
  5. Step 5: Solve for x
    x = 29,000,796,023.24/197,207.40
  6. Step 6: Final answer
    x = 147,057.35

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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.