Home / 211,266.31-291,547.72-115,773.22

Finding the Fourth Proportional to 211,266.31, 291,547.72 and 115,773.22

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Solution

The fourth proportional to 211,266.31, 291,547.72 and 115,773.22 is: 159,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,266.31 : 291,547.72 = 115,773.22 : x
  2. Step 2: Convert to fraction form
    211,266.31/291,547.72 = 115,773.22/x
  3. Step 3: Cross multiply
    211,266.31x = 291,547.72 × 115,773.22
  4. Step 4: Simplify right side
    211,266.31x = 33,753,418,328.06
  5. Step 5: Solve for x
    x = 33,753,418,328.06/211,266.31
  6. Step 6: Final answer
    x = 159,767.16

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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.