Home / 211,344.89-291,657.23-115,851.29

Finding the Fourth Proportional to 211,344.89, 291,657.23 and 115,851.29

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Solution

The fourth proportional to 211,344.89, 291,657.23 and 115,851.29 is: 159,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,344.89 : 291,657.23 = 115,851.29 : x
  2. Step 2: Convert to fraction form
    211,344.89/291,657.23 = 115,851.29/x
  3. Step 3: Cross multiply
    211,344.89x = 291,657.23 × 115,851.29
  4. Step 4: Simplify right side
    211,344.89x = 33,788,866,333.33
  5. Step 5: Solve for x
    x = 33,788,866,333.33/211,344.89
  6. Step 6: Final answer
    x = 159,875.48

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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.