Home / 109,900.40-165,215.10-95,466.20

Finding the Fourth Proportional to 109,900.40, 165,215.10 and 95,466.20

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Solution

The fourth proportional to 109,900.40, 165,215.10 and 95,466.20 is: 143,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,900.40 : 165,215.10 = 95,466.20 : x
  2. Step 2: Convert to fraction form
    109,900.40/165,215.10 = 95,466.20/x
  3. Step 3: Cross multiply
    109,900.40x = 165,215.10 × 95,466.20
  4. Step 4: Simplify right side
    109,900.40x = 15,772,457,779.62
  5. Step 5: Solve for x
    x = 15,772,457,779.62/109,900.40
  6. Step 6: Final answer
    x = 143,515.93

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1.5x scale

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.