Home / 211,154.05-291,391.14-114,355.68

Finding the Fourth Proportional to 211,154.05, 291,391.14 and 114,355.68

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Solution

The fourth proportional to 211,154.05, 291,391.14 and 114,355.68 is: 157,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,154.05 : 291,391.14 = 114,355.68 : x
  2. Step 2: Convert to fraction form
    211,154.05/291,391.14 = 114,355.68/x
  3. Step 3: Cross multiply
    211,154.05x = 291,391.14 × 114,355.68
  4. Step 4: Simplify right side
    211,154.05x = 33,322,230,503.72
  5. Step 5: Solve for x
    x = 33,322,230,503.72/211,154.05
  6. Step 6: Final answer
    x = 157,810.05

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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.