Home / 211,037.94-291,220.81-115,526.16

Finding the Fourth Proportional to 211,037.94, 291,220.81 and 115,526.16

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Solution

The fourth proportional to 211,037.94, 291,220.81 and 115,526.16 is: 159,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,037.94 : 291,220.81 = 115,526.16 : x
  2. Step 2: Convert to fraction form
    211,037.94/291,220.81 = 115,526.16/x
  3. Step 3: Cross multiply
    211,037.94x = 291,220.81 × 115,526.16
  4. Step 4: Simplify right side
    211,037.94x = 33,643,621,891.39
  5. Step 5: Solve for x
    x = 33,643,621,891.39/211,037.94
  6. Step 6: Final answer
    x = 159,419.78

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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.