Home / 313,829.13-433,131.55-191,392.56

Finding the Fourth Proportional to 313,829.13, 433,131.55 and 191,392.56

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Solution

The fourth proportional to 313,829.13, 433,131.55 and 191,392.56 is: 264,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,829.13 : 433,131.55 = 191,392.56 : x
  2. Step 2: Convert to fraction form
    313,829.13/433,131.55 = 191,392.56/x
  3. Step 3: Cross multiply
    313,829.13x = 433,131.55 × 191,392.56
  4. Step 4: Simplify right side
    313,829.13x = 82,898,154,005.61
  5. Step 5: Solve for x
    x = 82,898,154,005.61/313,829.13
  6. Step 6: Final answer
    x = 264,150.60

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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.