Home / 212,102.13-292,702.91-116,609.50

Finding the Fourth Proportional to 212,102.13, 292,702.91 and 116,609.50

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Solution

The fourth proportional to 212,102.13, 292,702.91 and 116,609.50 is: 160,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,102.13 : 292,702.91 = 116,609.50 : x
  2. Step 2: Convert to fraction form
    212,102.13/292,702.91 = 116,609.50/x
  3. Step 3: Cross multiply
    212,102.13x = 292,702.91 × 116,609.50
  4. Step 4: Simplify right side
    212,102.13x = 34,131,939,983.65
  5. Step 5: Solve for x
    x = 34,131,939,983.65/212,102.13
  6. Step 6: Final answer
    x = 160,922.19

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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.