Home / 185,011.20-277,240.32-101,790.72

Finding the Fourth Proportional to 185,011.20, 277,240.32 and 101,790.72

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Solution

The fourth proportional to 185,011.20, 277,240.32 and 101,790.72 is: 152,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,011.20 : 277,240.32 = 101,790.72 : x
  2. Step 2: Convert to fraction form
    185,011.20/277,240.32 = 101,790.72/x
  3. Step 3: Cross multiply
    185,011.20x = 277,240.32 × 101,790.72
  4. Step 4: Simplify right side
    185,011.20x = 28,220,491,785.83
  5. Step 5: Solve for x
    x = 28,220,491,785.83/185,011.20
  6. Step 6: Final answer
    x = 152,533.96

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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.