Home / 370,819.84-555,899.89-134,109.90

Finding the Fourth Proportional to 370,819.84, 555,899.89 and 134,109.90

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Solution

The fourth proportional to 370,819.84, 555,899.89 and 134,109.90 is: 201,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,819.84 : 555,899.89 = 134,109.90 : x
  2. Step 2: Convert to fraction form
    370,819.84/555,899.89 = 134,109.90/x
  3. Step 3: Cross multiply
    370,819.84x = 555,899.89 × 134,109.90
  4. Step 4: Simplify right side
    370,819.84x = 74,551,678,657.91
  5. Step 5: Solve for x
    x = 74,551,678,657.91/370,819.84
  6. Step 6: Final answer
    x = 201,045.55

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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.