Home / 110,541.40-165,714.90-66,185.80

Finding the Fourth Proportional to 110,541.40, 165,714.90 and 66,185.80

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Solution

The fourth proportional to 110,541.40, 165,714.90 and 66,185.80 is: 99,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,541.40 : 165,714.90 = 66,185.80 : x
  2. Step 2: Convert to fraction form
    110,541.40/165,714.90 = 66,185.80/x
  3. Step 3: Cross multiply
    110,541.40x = 165,714.90 × 66,185.80
  4. Step 4: Simplify right side
    110,541.40x = 10,967,973,228.42
  5. Step 5: Solve for x
    x = 10,967,973,228.42/110,541.40
  6. Step 6: Final answer
    x = 99,220.50

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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.