Home / 197,516.35-272,570.62-106,870.32

Finding the Fourth Proportional to 197,516.35, 272,570.62 and 106,870.32

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Solution

The fourth proportional to 197,516.35, 272,570.62 and 106,870.32 is: 147,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,516.35 : 272,570.62 = 106,870.32 : x
  2. Step 2: Convert to fraction form
    197,516.35/272,570.62 = 106,870.32/x
  3. Step 3: Cross multiply
    197,516.35x = 272,570.62 × 106,870.32
  4. Step 4: Simplify right side
    197,516.35x = 29,129,709,382.00
  5. Step 5: Solve for x
    x = 29,129,709,382.00/197,516.35
  6. Step 6: Final answer
    x = 147,479.99

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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.