Home / 211,121.22-316,702.58-61,362.76

Finding the Fourth Proportional to 211,121.22, 316,702.58 and 61,362.76

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Solution

The fourth proportional to 211,121.22, 316,702.58 and 61,362.76 is: 92,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,121.22 : 316,702.58 = 61,362.76 : x
  2. Step 2: Convert to fraction form
    211,121.22/316,702.58 = 61,362.76/x
  3. Step 3: Cross multiply
    211,121.22x = 316,702.58 × 61,362.76
  4. Step 4: Simplify right side
    211,121.22x = 19,433,744,407.92
  5. Step 5: Solve for x
    x = 19,433,744,407.92/211,121.22
  6. Step 6: Final answer
    x = 92,050.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.