Home / 212,114.18-292,675.59-118,982.90

Finding the Fourth Proportional to 212,114.18, 292,675.59 and 118,982.90

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Solution

The fourth proportional to 212,114.18, 292,675.59 and 118,982.90 is: 164,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,114.18 : 292,675.59 = 118,982.90 : x
  2. Step 2: Convert to fraction form
    212,114.18/292,675.59 = 118,982.90/x
  3. Step 3: Cross multiply
    212,114.18x = 292,675.59 × 118,982.90
  4. Step 4: Simplify right side
    212,114.18x = 34,823,391,189.10
  5. Step 5: Solve for x
    x = 34,823,391,189.10/212,114.18
  6. Step 6: Final answer
    x = 164,172.86

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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.