Home / 272,707.46-409,089.12-104,369.36

Finding the Fourth Proportional to 272,707.46, 409,089.12 and 104,369.36

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Solution

The fourth proportional to 272,707.46, 409,089.12 and 104,369.36 is: 156,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,707.46 : 409,089.12 = 104,369.36 : x
  2. Step 2: Convert to fraction form
    272,707.46/409,089.12 = 104,369.36/x
  3. Step 3: Cross multiply
    272,707.46x = 409,089.12 × 104,369.36
  4. Step 4: Simplify right side
    272,707.46x = 42,696,369,637.36
  5. Step 5: Solve for x
    x = 42,696,369,637.36/272,707.46
  6. Step 6: Final answer
    x = 156,564.73

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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.