Home / 211,410.03-291,743.73-115,916.51

Finding the Fourth Proportional to 211,410.03, 291,743.73 and 115,916.51

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Solution

The fourth proportional to 211,410.03, 291,743.73 and 115,916.51 is: 159,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,410.03 : 291,743.73 = 115,916.51 : x
  2. Step 2: Convert to fraction form
    211,410.03/291,743.73 = 115,916.51/x
  3. Step 3: Cross multiply
    211,410.03x = 291,743.73 × 115,916.51
  4. Step 4: Simplify right side
    211,410.03x = 33,817,913,537.26
  5. Step 5: Solve for x
    x = 33,817,913,537.26/211,410.03
  6. Step 6: Final answer
    x = 159,963.62

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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.