Home / 387,580.06-581,369.28-107,096.50

Finding the Fourth Proportional to 387,580.06, 581,369.28 and 107,096.50

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Solution

The fourth proportional to 387,580.06, 581,369.28 and 107,096.50 is: 160,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,580.06 : 581,369.28 = 107,096.50 : x
  2. Step 2: Convert to fraction form
    387,580.06/581,369.28 = 107,096.50/x
  3. Step 3: Cross multiply
    387,580.06x = 581,369.28 × 107,096.50
  4. Step 4: Simplify right side
    387,580.06x = 62,262,615,095.52
  5. Step 5: Solve for x
    x = 62,262,615,095.52/387,580.06
  6. Step 6: Final answer
    x = 160,644.53

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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.