Home / 215,339.90-297,166.10-119,846.58

Finding the Fourth Proportional to 215,339.90, 297,166.10 and 119,846.58

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Solution

The fourth proportional to 215,339.90, 297,166.10 and 119,846.58 is: 165,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,339.90 : 297,166.10 = 119,846.58 : x
  2. Step 2: Convert to fraction form
    215,339.90/297,166.10 = 119,846.58/x
  3. Step 3: Cross multiply
    215,339.90x = 297,166.10 × 119,846.58
  4. Step 4: Simplify right side
    215,339.90x = 35,614,340,776.94
  5. Step 5: Solve for x
    x = 35,614,340,776.94/215,339.90
  6. Step 6: Final answer
    x = 165,386.63

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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.