Home / 213,285.15-294,200.10-127,183.77

Finding the Fourth Proportional to 213,285.15, 294,200.10 and 127,183.77

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Solution

The fourth proportional to 213,285.15, 294,200.10 and 127,183.77 is: 175,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,285.15 : 294,200.10 = 127,183.77 : x
  2. Step 2: Convert to fraction form
    213,285.15/294,200.10 = 127,183.77/x
  3. Step 3: Cross multiply
    213,285.15x = 294,200.10 × 127,183.77
  4. Step 4: Simplify right side
    213,285.15x = 37,417,477,852.38
  5. Step 5: Solve for x
    x = 37,417,477,852.38/213,285.15
  6. Step 6: Final answer
    x = 175,434.05

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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.