Home / 197,516.77-272,571.64-106,872.45

Finding the Fourth Proportional to 197,516.77, 272,571.64 and 106,872.45

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Solution

The fourth proportional to 197,516.77, 272,571.64 and 106,872.45 is: 147,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,516.77 : 272,571.64 = 106,872.45 : x
  2. Step 2: Convert to fraction form
    197,516.77/272,571.64 = 106,872.45/x
  3. Step 3: Cross multiply
    197,516.77x = 272,571.64 × 106,872.45
  4. Step 4: Simplify right side
    197,516.77x = 29,130,398,967.32
  5. Step 5: Solve for x
    x = 29,130,398,967.32/197,516.77
  6. Step 6: Final answer
    x = 147,483.17

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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.