Home / 162,635.40-243,953.10-109,491.30

Finding the Fourth Proportional to 162,635.40, 243,953.10 and 109,491.30

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Solution

The fourth proportional to 162,635.40, 243,953.10 and 109,491.30 is: 164,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,635.40 : 243,953.10 = 109,491.30 : x
  2. Step 2: Convert to fraction form
    162,635.40/243,953.10 = 109,491.30/x
  3. Step 3: Cross multiply
    162,635.40x = 243,953.10 × 109,491.30
  4. Step 4: Simplify right side
    162,635.40x = 26,710,742,058.03
  5. Step 5: Solve for x
    x = 26,710,742,058.03/162,635.40
  6. Step 6: Final answer
    x = 164,236.95

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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.