Home / 212,849.64-293,726.88-117,354.72

Finding the Fourth Proportional to 212,849.64, 293,726.88 and 117,354.72

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Solution

The fourth proportional to 212,849.64, 293,726.88 and 117,354.72 is: 161,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,849.64 : 293,726.88 = 117,354.72 : x
  2. Step 2: Convert to fraction form
    212,849.64/293,726.88 = 117,354.72/x
  3. Step 3: Cross multiply
    212,849.64x = 293,726.88 × 117,354.72
  4. Step 4: Simplify right side
    212,849.64x = 34,470,235,758.87
  5. Step 5: Solve for x
    x = 34,470,235,758.87/212,849.64
  6. Step 6: Final answer
    x = 161,946.41

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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.