Home / 219,077.02-328,663.05-67,274.62

Finding the Fourth Proportional to 219,077.02, 328,663.05 and 67,274.62

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Solution

The fourth proportional to 219,077.02, 328,663.05 and 67,274.62 is: 100,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,077.02 : 328,663.05 = 67,274.62 : x
  2. Step 2: Convert to fraction form
    219,077.02/328,663.05 = 67,274.62/x
  3. Step 3: Cross multiply
    219,077.02x = 328,663.05 × 67,274.62
  4. Step 4: Simplify right side
    219,077.02x = 22,110,681,796.79
  5. Step 5: Solve for x
    x = 22,110,681,796.79/219,077.02
  6. Step 6: Final answer
    x = 100,926.52

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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.