Home / 109,764.60-164,646.90-108,598.20

Finding the Fourth Proportional to 109,764.60, 164,646.90 and 108,598.20

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Solution

The fourth proportional to 109,764.60, 164,646.90 and 108,598.20 is: 162,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,764.60 : 164,646.90 = 108,598.20 : x
  2. Step 2: Convert to fraction form
    109,764.60/164,646.90 = 108,598.20/x
  3. Step 3: Cross multiply
    109,764.60x = 164,646.90 × 108,598.20
  4. Step 4: Simplify right side
    109,764.60x = 17,880,356,975.58
  5. Step 5: Solve for x
    x = 17,880,356,975.58/109,764.60
  6. Step 6: Final answer
    x = 162,897.30

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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.