Home / 211,458.36-291,816.54-115,959.36

Finding the Fourth Proportional to 211,458.36, 291,816.54 and 115,959.36

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Solution

The fourth proportional to 211,458.36, 291,816.54 and 115,959.36 is: 160,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,458.36 : 291,816.54 = 115,959.36 : x
  2. Step 2: Convert to fraction form
    211,458.36/291,816.54 = 115,959.36/x
  3. Step 3: Cross multiply
    211,458.36x = 291,816.54 × 115,959.36
  4. Step 4: Simplify right side
    211,458.36x = 33,838,859,215.81
  5. Step 5: Solve for x
    x = 33,838,859,215.81/211,458.36
  6. Step 6: Final answer
    x = 160,026.11

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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.