Home / 127,719.75-191,602.83-52,799.19

Finding the Fourth Proportional to 127,719.75, 191,602.83 and 52,799.19

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Solution

The fourth proportional to 127,719.75, 191,602.83 and 52,799.19 is: 79,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,719.75 : 191,602.83 = 52,799.19 : x
  2. Step 2: Convert to fraction form
    127,719.75/191,602.83 = 52,799.19/x
  3. Step 3: Cross multiply
    127,719.75x = 191,602.83 × 52,799.19
  4. Step 4: Simplify right side
    127,719.75x = 10,116,474,225.71
  5. Step 5: Solve for x
    x = 10,116,474,225.71/127,719.75
  6. Step 6: Final answer
    x = 79,208.38

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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.