Home / 313,157.07-432,268.83-185,832.66

Finding the Fourth Proportional to 313,157.07, 432,268.83 and 185,832.66

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Solution

The fourth proportional to 313,157.07, 432,268.83 and 185,832.66 is: 256,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,157.07 : 432,268.83 = 185,832.66 : x
  2. Step 2: Convert to fraction form
    313,157.07/432,268.83 = 185,832.66/x
  3. Step 3: Cross multiply
    313,157.07x = 432,268.83 × 185,832.66
  4. Step 4: Simplify right side
    313,157.07x = 80,329,666,513.99
  5. Step 5: Solve for x
    x = 80,329,666,513.99/313,157.07
  6. Step 6: Final answer
    x = 256,515.58

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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.