Home / 215,342.48-297,169.64-119,849.18

Finding the Fourth Proportional to 215,342.48, 297,169.64 and 119,849.18

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Solution

The fourth proportional to 215,342.48, 297,169.64 and 119,849.18 is: 165,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,342.48 : 297,169.64 = 119,849.18 : x
  2. Step 2: Convert to fraction form
    215,342.48/297,169.64 = 119,849.18/x
  3. Step 3: Cross multiply
    215,342.48x = 297,169.64 × 119,849.18
  4. Step 4: Simplify right side
    215,342.48x = 35,615,537,674.90
  5. Step 5: Solve for x
    x = 35,615,537,674.90/215,342.48
  6. Step 6: Final answer
    x = 165,390.21

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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.