Home / 212,798.43-293,682.51-158,990.04

Finding the Fourth Proportional to 212,798.43, 293,682.51 and 158,990.04

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Solution

The fourth proportional to 212,798.43, 293,682.51 and 158,990.04 is: 219,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,798.43 : 293,682.51 = 158,990.04 : x
  2. Step 2: Convert to fraction form
    212,798.43/293,682.51 = 158,990.04/x
  3. Step 3: Cross multiply
    212,798.43x = 293,682.51 × 158,990.04
  4. Step 4: Simplify right side
    212,798.43x = 46,692,594,012.20
  5. Step 5: Solve for x
    x = 46,692,594,012.20/212,798.43
  6. Step 6: Final answer
    x = 219,421.70

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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.