Home / 170,987.22-256,471.11-46,318.50

Finding the Fourth Proportional to 170,987.22, 256,471.11 and 46,318.50

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Solution

The fourth proportional to 170,987.22, 256,471.11 and 46,318.50 is: 69,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,987.22 : 256,471.11 = 46,318.50 : x
  2. Step 2: Convert to fraction form
    170,987.22/256,471.11 = 46,318.50/x
  3. Step 3: Cross multiply
    170,987.22x = 256,471.11 × 46,318.50
  4. Step 4: Simplify right side
    170,987.22x = 11,879,357,108.54
  5. Step 5: Solve for x
    x = 11,879,357,108.54/170,987.22
  6. Step 6: Final answer
    x = 69,475.12

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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.