Home / 189,540.84-261,503.39-125,042.10

Finding the Fourth Proportional to 189,540.84, 261,503.39 and 125,042.10

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Solution

The fourth proportional to 189,540.84, 261,503.39 and 125,042.10 is: 172,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,540.84 : 261,503.39 = 125,042.10 : x
  2. Step 2: Convert to fraction form
    189,540.84/261,503.39 = 125,042.10/x
  3. Step 3: Cross multiply
    189,540.84x = 261,503.39 × 125,042.10
  4. Step 4: Simplify right side
    189,540.84x = 32,698,932,417.51
  5. Step 5: Solve for x
    x = 32,698,932,417.51/189,540.84
  6. Step 6: Final answer
    x = 172,516.55

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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.