Home / 109,220.20-163,700.70-56,602.60

Finding the Fourth Proportional to 109,220.20, 163,700.70 and 56,602.60

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Solution

The fourth proportional to 109,220.20, 163,700.70 and 56,602.60 is: 84,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,220.20 : 163,700.70 = 56,602.60 : x
  2. Step 2: Convert to fraction form
    109,220.20/163,700.70 = 56,602.60/x
  3. Step 3: Cross multiply
    109,220.20x = 163,700.70 × 56,602.60
  4. Step 4: Simplify right side
    109,220.20x = 9,265,885,241.82
  5. Step 5: Solve for x
    x = 9,265,885,241.82/109,220.20
  6. Step 6: Final answer
    x = 84,836.74

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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.