Home / 105,834.96-158,539.19-70,316.28

Finding the Fourth Proportional to 105,834.96, 158,539.19 and 70,316.28

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Solution

The fourth proportional to 105,834.96, 158,539.19 and 70,316.28 is: 105,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,834.96 : 158,539.19 = 70,316.28 : x
  2. Step 2: Convert to fraction form
    105,834.96/158,539.19 = 70,316.28/x
  3. Step 3: Cross multiply
    105,834.96x = 158,539.19 × 70,316.28
  4. Step 4: Simplify right side
    105,834.96x = 11,147,885,723.43
  5. Step 5: Solve for x
    x = 11,147,885,723.43/105,834.96
  6. Step 6: Final answer
    x = 105,332.73

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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.