Home / 185,124.08-277,628.72-66,780.05

Finding the Fourth Proportional to 185,124.08, 277,628.72 and 66,780.05

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Solution

The fourth proportional to 185,124.08, 277,628.72 and 66,780.05 is: 100,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,124.08 : 277,628.72 = 66,780.05 : x
  2. Step 2: Convert to fraction form
    185,124.08/277,628.72 = 66,780.05/x
  3. Step 3: Cross multiply
    185,124.08x = 277,628.72 × 66,780.05
  4. Step 4: Simplify right side
    185,124.08x = 18,540,058,080.99
  5. Step 5: Solve for x
    x = 18,540,058,080.99/185,124.08
  6. Step 6: Final answer
    x = 100,149.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.