Home / 112,501.40-168,557.70-92,672.60

Finding the Fourth Proportional to 112,501.40, 168,557.70 and 92,672.60

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Solution

The fourth proportional to 112,501.40, 168,557.70 and 92,672.60 is: 138,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,501.40 : 168,557.70 = 92,672.60 : x
  2. Step 2: Convert to fraction form
    112,501.40/168,557.70 = 92,672.60/x
  3. Step 3: Cross multiply
    112,501.40x = 168,557.70 × 92,672.60
  4. Step 4: Simplify right side
    112,501.40x = 15,620,680,309.02
  5. Step 5: Solve for x
    x = 15,620,680,309.02/112,501.40
  6. Step 6: Final answer
    x = 138,848.76

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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.