Home / 114,493.28-158,054.96-76,316.45

Finding the Fourth Proportional to 114,493.28, 158,054.96 and 76,316.45

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Solution

The fourth proportional to 114,493.28, 158,054.96 and 76,316.45 is: 105,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,493.28 : 158,054.96 = 76,316.45 : x
  2. Step 2: Convert to fraction form
    114,493.28/158,054.96 = 76,316.45/x
  3. Step 3: Cross multiply
    114,493.28x = 158,054.96 × 76,316.45
  4. Step 4: Simplify right side
    114,493.28x = 12,062,192,852.61
  5. Step 5: Solve for x
    x = 12,062,192,852.61/114,493.28
  6. Step 6: Final answer
    x = 105,352.85

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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.