Home / 114,677.56-158,288.70-76,492.72

Finding the Fourth Proportional to 114,677.56, 158,288.70 and 76,492.72

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Solution

The fourth proportional to 114,677.56, 158,288.70 and 76,492.72 is: 105,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,677.56 : 158,288.70 = 76,492.72 : x
  2. Step 2: Convert to fraction form
    114,677.56/158,288.70 = 76,492.72/x
  3. Step 3: Cross multiply
    114,677.56x = 158,288.70 × 76,492.72
  4. Step 4: Simplify right side
    114,677.56x = 12,107,933,208.26
  5. Step 5: Solve for x
    x = 12,107,933,208.26/114,677.56
  6. Step 6: Final answer
    x = 105,582.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.