Home / 370,109.84-555,166.20-89,627.36

Finding the Fourth Proportional to 370,109.84, 555,166.20 and 89,627.36

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Solution

The fourth proportional to 370,109.84, 555,166.20 and 89,627.36 is: 134,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,109.84 : 555,166.20 = 89,627.36 : x
  2. Step 2: Convert to fraction form
    370,109.84/555,166.20 = 89,627.36/x
  3. Step 3: Cross multiply
    370,109.84x = 555,166.20 × 89,627.36
  4. Step 4: Simplify right side
    370,109.84x = 49,758,080,867.23
  5. Step 5: Solve for x
    x = 49,758,080,867.23/370,109.84
  6. Step 6: Final answer
    x = 134,441.39

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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.