Home / 211,835.36-292,334.80-116,344

Finding the Fourth Proportional to 211,835.36, 292,334.80 and 116,344

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Solution

The fourth proportional to 211,835.36, 292,334.80 and 116,344 is: 160,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,835.36 : 292,334.80 = 116,344 : x
  2. Step 2: Convert to fraction form
    211,835.36/292,334.80 = 116,344/x
  3. Step 3: Cross multiply
    211,835.36x = 292,334.80 × 116,344
  4. Step 4: Simplify right side
    211,835.36x = 34,011,399,971.20
  5. Step 5: Solve for x
    x = 34,011,399,971.20/211,835.36
  6. Step 6: Final answer
    x = 160,555.82

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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.