Home / 134,556.23-185,674.81-77,200.28

Finding the Fourth Proportional to 134,556.23, 185,674.81 and 77,200.28

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Solution

The fourth proportional to 134,556.23, 185,674.81 and 77,200.28 is: 106,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,556.23 : 185,674.81 = 77,200.28 : x
  2. Step 2: Convert to fraction form
    134,556.23/185,674.81 = 77,200.28/x
  3. Step 3: Cross multiply
    134,556.23x = 185,674.81 × 77,200.28
  4. Step 4: Simplify right side
    134,556.23x = 14,334,147,320.95
  5. Step 5: Solve for x
    x = 14,334,147,320.95/134,556.23
  6. Step 6: Final answer
    x = 106,529.05

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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.