Home / 211,374.06-291,707.38-115,884.78

Finding the Fourth Proportional to 211,374.06, 291,707.38 and 115,884.78

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Solution

The fourth proportional to 211,374.06, 291,707.38 and 115,884.78 is: 159,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,374.06 : 291,707.38 = 115,884.78 : x
  2. Step 2: Convert to fraction form
    211,374.06/291,707.38 = 115,884.78/x
  3. Step 3: Cross multiply
    211,374.06x = 291,707.38 × 115,884.78
  4. Step 4: Simplify right side
    211,374.06x = 33,804,443,954.78
  5. Step 5: Solve for x
    x = 33,804,443,954.78/211,374.06
  6. Step 6: Final answer
    x = 159,927.12

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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.