Home / 215,551.37-297,433.92-124,905.68

Finding the Fourth Proportional to 215,551.37, 297,433.92 and 124,905.68

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Solution

The fourth proportional to 215,551.37, 297,433.92 and 124,905.68 is: 172,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,551.37 : 297,433.92 = 124,905.68 : x
  2. Step 2: Convert to fraction form
    215,551.37/297,433.92 = 124,905.68/x
  3. Step 3: Cross multiply
    215,551.37x = 297,433.92 × 124,905.68
  4. Step 4: Simplify right side
    215,551.37x = 37,151,186,032.67
  5. Step 5: Solve for x
    x = 37,151,186,032.67/215,551.37
  6. Step 6: Final answer
    x = 172,354.21

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1.5x scale

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.