Home / 197,142.27-272,056.08-106,498.20

Finding the Fourth Proportional to 197,142.27, 272,056.08 and 106,498.20

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Solution

The fourth proportional to 197,142.27, 272,056.08 and 106,498.20 is: 146,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,142.27 : 272,056.08 = 106,498.20 : x
  2. Step 2: Convert to fraction form
    197,142.27/272,056.08 = 106,498.20/x
  3. Step 3: Cross multiply
    197,142.27x = 272,056.08 × 106,498.20
  4. Step 4: Simplify right side
    197,142.27x = 28,973,482,819.06
  5. Step 5: Solve for x
    x = 28,973,482,819.06/197,142.27
  6. Step 6: Final answer
    x = 146,967.38

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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.