Home / 119,018.04-178,526.28-30,270.78

Finding the Fourth Proportional to 119,018.04, 178,526.28 and 30,270.78

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Solution

The fourth proportional to 119,018.04, 178,526.28 and 30,270.78 is: 45,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,018.04 : 178,526.28 = 30,270.78 : x
  2. Step 2: Convert to fraction form
    119,018.04/178,526.28 = 30,270.78/x
  3. Step 3: Cross multiply
    119,018.04x = 178,526.28 × 30,270.78
  4. Step 4: Simplify right side
    119,018.04x = 5,404,129,859.61
  5. Step 5: Solve for x
    x = 5,404,129,859.61/119,018.04
  6. Step 6: Final answer
    x = 45,405.97

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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.