Home / 211,453.36-291,806.04-115,960.76

Finding the Fourth Proportional to 211,453.36, 291,806.04 and 115,960.76

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Solution

The fourth proportional to 211,453.36, 291,806.04 and 115,960.76 is: 160,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,453.36 : 291,806.04 = 115,960.76 : x
  2. Step 2: Convert to fraction form
    211,453.36/291,806.04 = 115,960.76/x
  3. Step 3: Cross multiply
    211,453.36x = 291,806.04 × 115,960.76
  4. Step 4: Simplify right side
    211,453.36x = 33,838,050,170.99
  5. Step 5: Solve for x
    x = 33,838,050,170.99/211,453.36
  6. Step 6: Final answer
    x = 160,026.07

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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.