Home / 105,823.28-158,734.36-26,938.64

Finding the Fourth Proportional to 105,823.28, 158,734.36 and 26,938.64

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Solution

The fourth proportional to 105,823.28, 158,734.36 and 26,938.64 is: 40,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,823.28 : 158,734.36 = 26,938.64 : x
  2. Step 2: Convert to fraction form
    105,823.28/158,734.36 = 26,938.64/x
  3. Step 3: Cross multiply
    105,823.28x = 158,734.36 × 26,938.64
  4. Step 4: Simplify right side
    105,823.28x = 4,276,087,779.67
  5. Step 5: Solve for x
    x = 4,276,087,779.67/105,823.28
  6. Step 6: Final answer
    x = 40,407.82

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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.