Home / 215,417.99-297,083.30-134,852.85

Finding the Fourth Proportional to 215,417.99, 297,083.30 and 134,852.85

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Solution

The fourth proportional to 215,417.99, 297,083.30 and 134,852.85 is: 185,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,417.99 : 297,083.30 = 134,852.85 : x
  2. Step 2: Convert to fraction form
    215,417.99/297,083.30 = 134,852.85/x
  3. Step 3: Cross multiply
    215,417.99x = 297,083.30 × 134,852.85
  4. Step 4: Simplify right side
    215,417.99x = 40,062,529,018.14
  5. Step 5: Solve for x
    x = 40,062,529,018.14/215,417.99
  6. Step 6: Final answer
    x = 185,975.78

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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.