Home / 211,499.91-291,864.87-116,005.77

Finding the Fourth Proportional to 211,499.91, 291,864.87 and 116,005.77

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Solution

The fourth proportional to 211,499.91, 291,864.87 and 116,005.77 is: 160,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,499.91 : 291,864.87 = 116,005.77 : x
  2. Step 2: Convert to fraction form
    211,499.91/291,864.87 = 116,005.77/x
  3. Step 3: Cross multiply
    211,499.91x = 291,864.87 × 116,005.77
  4. Step 4: Simplify right side
    211,499.91x = 33,858,008,980.30
  5. Step 5: Solve for x
    x = 33,858,008,980.30/211,499.91
  6. Step 6: Final answer
    x = 160,085.22

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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.