Home / 330,965.13-456,717.43-183,780.86

Finding the Fourth Proportional to 330,965.13, 456,717.43 and 183,780.86

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Solution

The fourth proportional to 330,965.13, 456,717.43 and 183,780.86 is: 253,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,965.13 : 456,717.43 = 183,780.86 : x
  2. Step 2: Convert to fraction form
    330,965.13/456,717.43 = 183,780.86/x
  3. Step 3: Cross multiply
    330,965.13x = 456,717.43 × 183,780.86
  4. Step 4: Simplify right side
    330,965.13x = 83,935,923,433.91
  5. Step 5: Solve for x
    x = 83,935,923,433.91/330,965.13
  6. Step 6: Final answer
    x = 253,609.57

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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.