Home / 370,202.18-555,303.26-89,719.43

Finding the Fourth Proportional to 370,202.18, 555,303.26 and 89,719.43

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Solution

The fourth proportional to 370,202.18, 555,303.26 and 89,719.43 is: 134,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,202.18 : 555,303.26 = 89,719.43 : x
  2. Step 2: Convert to fraction form
    370,202.18/555,303.26 = 89,719.43/x
  3. Step 3: Cross multiply
    370,202.18x = 555,303.26 × 89,719.43
  4. Step 4: Simplify right side
    370,202.18x = 49,821,489,075.68
  5. Step 5: Solve for x
    x = 49,821,489,075.68/370,202.18
  6. Step 6: Final answer
    x = 134,579.14

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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.