Home / 197,300.28-272,274.03-106,656.30

Finding the Fourth Proportional to 197,300.28, 272,274.03 and 106,656.30

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Solution

The fourth proportional to 197,300.28, 272,274.03 and 106,656.30 is: 147,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,300.28 : 272,274.03 = 106,656.30 : x
  2. Step 2: Convert to fraction form
    197,300.28/272,274.03 = 106,656.30/x
  3. Step 3: Cross multiply
    197,300.28x = 272,274.03 × 106,656.30
  4. Step 4: Simplify right side
    197,300.28x = 29,039,740,625.89
  5. Step 5: Solve for x
    x = 29,039,740,625.89/197,300.28
  6. Step 6: Final answer
    x = 147,185.50

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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.