Home / 189,166.68-261,036.93-106,393.05

Finding the Fourth Proportional to 189,166.68, 261,036.93 and 106,393.05

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Solution

The fourth proportional to 189,166.68, 261,036.93 and 106,393.05 is: 146,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,166.68 : 261,036.93 = 106,393.05 : x
  2. Step 2: Convert to fraction form
    189,166.68/261,036.93 = 106,393.05/x
  3. Step 3: Cross multiply
    189,166.68x = 261,036.93 × 106,393.05
  4. Step 4: Simplify right side
    189,166.68x = 27,772,515,145.34
  5. Step 5: Solve for x
    x = 27,772,515,145.34/189,166.68
  6. Step 6: Final answer
    x = 146,815.05

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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.