Home / 156,971.91-235,457.87-46,163.91

Finding the Fourth Proportional to 156,971.91, 235,457.87 and 46,163.91

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Solution

The fourth proportional to 156,971.91, 235,457.87 and 46,163.91 is: 69,245.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.91 : 235,457.87 = 46,163.91 : x
  2. Step 2: Convert to fraction form
    156,971.91/235,457.87 = 46,163.91/x
  3. Step 3: Cross multiply
    156,971.91x = 235,457.87 × 46,163.91
  4. Step 4: Simplify right side
    156,971.91x = 10,869,655,688.65
  5. Step 5: Solve for x
    x = 10,869,655,688.65/156,971.91
  6. Step 6: Final answer
    x = 69,245.87

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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.