Home / 134,602.53-185,738.79-79,403.24

Finding the Fourth Proportional to 134,602.53, 185,738.79 and 79,403.24

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Solution

The fourth proportional to 134,602.53, 185,738.79 and 79,403.24 is: 109,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,602.53 : 185,738.79 = 79,403.24 : x
  2. Step 2: Convert to fraction form
    134,602.53/185,738.79 = 79,403.24/x
  3. Step 3: Cross multiply
    134,602.53x = 185,738.79 × 79,403.24
  4. Step 4: Simplify right side
    134,602.53x = 14,748,260,990.36
  5. Step 5: Solve for x
    x = 14,748,260,990.36/134,602.53
  6. Step 6: Final answer
    x = 109,568.98

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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.