Home / 211,274.66-291,561.33-115,779.32

Finding the Fourth Proportional to 211,274.66, 291,561.33 and 115,779.32

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Solution

The fourth proportional to 211,274.66, 291,561.33 and 115,779.32 is: 159,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,274.66 : 291,561.33 = 115,779.32 : x
  2. Step 2: Convert to fraction form
    211,274.66/291,561.33 = 115,779.32/x
  3. Step 3: Cross multiply
    211,274.66x = 291,561.33 × 115,779.32
  4. Step 4: Simplify right side
    211,274.66x = 33,756,772,525.70
  5. Step 5: Solve for x
    x = 33,756,772,525.70/211,274.66
  6. Step 6: Final answer
    x = 159,776.72

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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.