Home / 212,116.18-292,678.34-118,984.90

Finding the Fourth Proportional to 212,116.18, 292,678.34 and 118,984.90

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Solution

The fourth proportional to 212,116.18, 292,678.34 and 118,984.90 is: 164,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,116.18 : 292,678.34 = 118,984.90 : x
  2. Step 2: Convert to fraction form
    212,116.18/292,678.34 = 118,984.90/x
  3. Step 3: Cross multiply
    212,116.18x = 292,678.34 × 118,984.90
  4. Step 4: Simplify right side
    212,116.18x = 34,824,303,017.07
  5. Step 5: Solve for x
    x = 34,824,303,017.07/212,116.18
  6. Step 6: Final answer
    x = 164,175.61

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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.