Home / 208,261.51-312,404.37-58,513.47

Finding the Fourth Proportional to 208,261.51, 312,404.37 and 58,513.47

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Solution

The fourth proportional to 208,261.51, 312,404.37 and 58,513.47 is: 87,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,261.51 : 312,404.37 = 58,513.47 : x
  2. Step 2: Convert to fraction form
    208,261.51/312,404.37 = 58,513.47/x
  3. Step 3: Cross multiply
    208,261.51x = 312,404.37 × 58,513.47
  4. Step 4: Simplify right side
    208,261.51x = 18,279,863,731.86
  5. Step 5: Solve for x
    x = 18,279,863,731.86/208,261.51
  6. Step 6: Final answer
    x = 87,773.61

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1.5x scale

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.