Home / 211,820.82-292,314.75-116,329.50

Finding the Fourth Proportional to 211,820.82, 292,314.75 and 116,329.50

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Solution

The fourth proportional to 211,820.82, 292,314.75 and 116,329.50 is: 160,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,820.82 : 292,314.75 = 116,329.50 : x
  2. Step 2: Convert to fraction form
    211,820.82/292,314.75 = 116,329.50/x
  3. Step 3: Cross multiply
    211,820.82x = 292,314.75 × 116,329.50
  4. Step 4: Simplify right side
    211,820.82x = 34,004,828,710.13
  5. Step 5: Solve for x
    x = 34,004,828,710.13/211,820.82
  6. Step 6: Final answer
    x = 160,535.82

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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.