Home / 387,733.33-581,600.19-121,514.58

Finding the Fourth Proportional to 387,733.33, 581,600.19 and 121,514.58

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Solution

The fourth proportional to 387,733.33, 581,600.19 and 121,514.58 is: 182,271.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,733.33 : 581,600.19 = 121,514.58 : x
  2. Step 2: Convert to fraction form
    387,733.33/581,600.19 = 121,514.58/x
  3. Step 3: Cross multiply
    387,733.33x = 581,600.19 × 121,514.58
  4. Step 4: Simplify right side
    387,733.33x = 70,672,899,907.77
  5. Step 5: Solve for x
    x = 70,672,899,907.77/387,733.33
  6. Step 6: Final answer
    x = 182,271.93

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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.