Home / 112,658.40-155,457.86-67,327.38

Finding the Fourth Proportional to 112,658.40, 155,457.86 and 67,327.38

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Solution

The fourth proportional to 112,658.40, 155,457.86 and 67,327.38 is: 92,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,658.40 : 155,457.86 = 67,327.38 : x
  2. Step 2: Convert to fraction form
    112,658.40/155,457.86 = 67,327.38/x
  3. Step 3: Cross multiply
    112,658.40x = 155,457.86 × 67,327.38
  4. Step 4: Simplify right side
    112,658.40x = 10,466,570,077.57
  5. Step 5: Solve for x
    x = 10,466,570,077.57/112,658.40
  6. Step 6: Final answer
    x = 92,905.37

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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.