Home / 211,501.08-291,879.66-116,011.80

Finding the Fourth Proportional to 211,501.08, 291,879.66 and 116,011.80

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Solution

The fourth proportional to 211,501.08, 291,879.66 and 116,011.80 is: 160,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,501.08 : 291,879.66 = 116,011.80 : x
  2. Step 2: Convert to fraction form
    211,501.08/291,879.66 = 116,011.80/x
  3. Step 3: Cross multiply
    211,501.08x = 291,879.66 × 116,011.80
  4. Step 4: Simplify right side
    211,501.08x = 33,861,484,739.99
  5. Step 5: Solve for x
    x = 33,861,484,739.99/211,501.08
  6. Step 6: Final answer
    x = 160,100.77

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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.