Home / 120,759.04-166,613.76-75,483.10

Finding the Fourth Proportional to 120,759.04, 166,613.76 and 75,483.10

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Solution

The fourth proportional to 120,759.04, 166,613.76 and 75,483.10 is: 104,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,759.04 : 166,613.76 = 75,483.10 : x
  2. Step 2: Convert to fraction form
    120,759.04/166,613.76 = 75,483.10/x
  3. Step 3: Cross multiply
    120,759.04x = 166,613.76 × 75,483.10
  4. Step 4: Simplify right side
    120,759.04x = 12,576,523,107.46
  5. Step 5: Solve for x
    x = 12,576,523,107.46/120,759.04
  6. Step 6: Final answer
    x = 104,145.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.