Home / 446,087.40-669,066.30-130,511.40

Finding the Fourth Proportional to 446,087.40, 669,066.30 and 130,511.40

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Solution

The fourth proportional to 446,087.40, 669,066.30 and 130,511.40 is: 195,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,087.40 : 669,066.30 = 130,511.40 : x
  2. Step 2: Convert to fraction form
    446,087.40/669,066.30 = 130,511.40/x
  3. Step 3: Cross multiply
    446,087.40x = 669,066.30 × 130,511.40
  4. Step 4: Simplify right side
    446,087.40x = 87,320,779,505.82
  5. Step 5: Solve for x
    x = 87,320,779,505.82/446,087.40
  6. Step 6: Final answer
    x = 195,748.14

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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.