Home / 286,559.48-395,432.87-157,495.16

Finding the Fourth Proportional to 286,559.48, 395,432.87 and 157,495.16

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Solution

The fourth proportional to 286,559.48, 395,432.87 and 157,495.16 is: 217,332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,559.48 : 395,432.87 = 157,495.16 : x
  2. Step 2: Convert to fraction form
    286,559.48/395,432.87 = 157,495.16/x
  3. Step 3: Cross multiply
    286,559.48x = 395,432.87 × 157,495.16
  4. Step 4: Simplify right side
    286,559.48x = 62,278,760,365.27
  5. Step 5: Solve for x
    x = 62,278,760,365.27/286,559.48
  6. Step 6: Final answer
    x = 217,332.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.