Home / 215,029.17-296,747.87-118,240.37

Finding the Fourth Proportional to 215,029.17, 296,747.87 and 118,240.37

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Solution

The fourth proportional to 215,029.17, 296,747.87 and 118,240.37 is: 163,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,029.17 : 296,747.87 = 118,240.37 : x
  2. Step 2: Convert to fraction form
    215,029.17/296,747.87 = 118,240.37/x
  3. Step 3: Cross multiply
    215,029.17x = 296,747.87 × 118,240.37
  4. Step 4: Simplify right side
    215,029.17x = 35,087,575,870.57
  5. Step 5: Solve for x
    x = 35,087,575,870.57/215,029.17
  6. Step 6: Final answer
    x = 163,175.89

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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.