Home / 387,732.83-581,599.44-121,514.07

Finding the Fourth Proportional to 387,732.83, 581,599.44 and 121,514.07

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Solution

The fourth proportional to 387,732.83, 581,599.44 and 121,514.07 is: 182,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,732.83 : 581,599.44 = 121,514.07 : x
  2. Step 2: Convert to fraction form
    387,732.83/581,599.44 = 121,514.07/x
  3. Step 3: Cross multiply
    387,732.83x = 581,599.44 × 121,514.07
  4. Step 4: Simplify right side
    387,732.83x = 70,672,517,245.12
  5. Step 5: Solve for x
    x = 70,672,517,245.12/387,732.83
  6. Step 6: Final answer
    x = 182,271.17

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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.