Home / 112,910.67-155,688.21-92,427.57

Finding the Fourth Proportional to 112,910.67, 155,688.21 and 92,427.57

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Solution

The fourth proportional to 112,910.67, 155,688.21 and 92,427.57 is: 127,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,910.67 : 155,688.21 = 92,427.57 : x
  2. Step 2: Convert to fraction form
    112,910.67/155,688.21 = 92,427.57/x
  3. Step 3: Cross multiply
    112,910.67x = 155,688.21 × 92,427.57
  4. Step 4: Simplify right side
    112,910.67x = 14,389,882,927.95
  5. Step 5: Solve for x
    x = 14,389,882,927.95/112,910.67
  6. Step 6: Final answer
    x = 127,444.85

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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.