Home / 387,343.27-581,048.39-106,860.52

Finding the Fourth Proportional to 387,343.27, 581,048.39 and 106,860.52

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Solution

The fourth proportional to 387,343.27, 581,048.39 and 106,860.52 is: 160,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,343.27 : 581,048.39 = 106,860.52 : x
  2. Step 2: Convert to fraction form
    387,343.27/581,048.39 = 106,860.52/x
  3. Step 3: Cross multiply
    387,343.27x = 581,048.39 × 106,860.52
  4. Step 4: Simplify right side
    387,343.27x = 62,091,130,224.54
  5. Step 5: Solve for x
    x = 62,091,130,224.54/387,343.27
  6. Step 6: Final answer
    x = 160,300.01

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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.