Home / 120,756.26-166,636.17-67,038.08

Finding the Fourth Proportional to 120,756.26, 166,636.17 and 67,038.08

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Solution

The fourth proportional to 120,756.26, 166,636.17 and 67,038.08 is: 92,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,756.26 : 166,636.17 = 67,038.08 : x
  2. Step 2: Convert to fraction form
    120,756.26/166,636.17 = 67,038.08/x
  3. Step 3: Cross multiply
    120,756.26x = 166,636.17 × 67,038.08
  4. Step 4: Simplify right side
    120,756.26x = 11,170,968,062.17
  5. Step 5: Solve for x
    x = 11,170,968,062.17/120,756.26
  6. Step 6: Final answer
    x = 92,508.40

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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.