Home / 162,048.30-243,072.45-73,304.70

Finding the Fourth Proportional to 162,048.30, 243,072.45 and 73,304.70

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Solution

The fourth proportional to 162,048.30, 243,072.45 and 73,304.70 is: 109,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,048.30 : 243,072.45 = 73,304.70 : x
  2. Step 2: Convert to fraction form
    162,048.30/243,072.45 = 73,304.70/x
  3. Step 3: Cross multiply
    162,048.30x = 243,072.45 × 73,304.70
  4. Step 4: Simplify right side
    162,048.30x = 17,818,353,025.52
  5. Step 5: Solve for x
    x = 17,818,353,025.52/162,048.30
  6. Step 6: Final answer
    x = 109,957.05

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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.