Home / 211,167.81-291,411.63-115,677.90

Finding the Fourth Proportional to 211,167.81, 291,411.63 and 115,677.90

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Solution

The fourth proportional to 211,167.81, 291,411.63 and 115,677.90 is: 159,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,167.81 : 291,411.63 = 115,677.90 : x
  2. Step 2: Convert to fraction form
    211,167.81/291,411.63 = 115,677.90/x
  3. Step 3: Cross multiply
    211,167.81x = 291,411.63 × 115,677.90
  4. Step 4: Simplify right side
    211,167.81x = 33,709,885,393.98
  5. Step 5: Solve for x
    x = 33,709,885,393.98/211,167.81
  6. Step 6: Final answer
    x = 159,635.53

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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.