Home / 123,717.96-185,156.28-76,362.93

Finding the Fourth Proportional to 123,717.96, 185,156.28 and 76,362.93

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Solution

The fourth proportional to 123,717.96, 185,156.28 and 76,362.93 is: 114,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,717.96 : 185,156.28 = 76,362.93 : x
  2. Step 2: Convert to fraction form
    123,717.96/185,156.28 = 76,362.93/x
  3. Step 3: Cross multiply
    123,717.96x = 185,156.28 × 76,362.93
  4. Step 4: Simplify right side
    123,717.96x = 14,139,076,048.70
  5. Step 5: Solve for x
    x = 14,139,076,048.70/123,717.96
  6. Step 6: Final answer
    x = 114,284.75

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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.