Home / 215,929.56-297,828.54-187,197.86

Finding the Fourth Proportional to 215,929.56, 297,828.54 and 187,197.86

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Solution

The fourth proportional to 215,929.56, 297,828.54 and 187,197.86 is: 258,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,929.56 : 297,828.54 = 187,197.86 : x
  2. Step 2: Convert to fraction form
    215,929.56/297,828.54 = 187,197.86/x
  3. Step 3: Cross multiply
    215,929.56x = 297,828.54 × 187,197.86
  4. Step 4: Simplify right side
    215,929.56x = 55,752,865,334.92
  5. Step 5: Solve for x
    x = 55,752,865,334.92/215,929.56
  6. Step 6: Final answer
    x = 258,199.32

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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.