Home / 340,278.53-469,568.24-187,313.57

Finding the Fourth Proportional to 340,278.53, 469,568.24 and 187,313.57

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Solution

The fourth proportional to 340,278.53, 469,568.24 and 187,313.57 is: 258,483.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,278.53 : 469,568.24 = 187,313.57 : x
  2. Step 2: Convert to fraction form
    340,278.53/469,568.24 = 187,313.57/x
  3. Step 3: Cross multiply
    340,278.53x = 469,568.24 × 187,313.57
  4. Step 4: Simplify right side
    340,278.53x = 87,956,500,108.61
  5. Step 5: Solve for x
    x = 87,956,500,108.61/340,278.53
  6. Step 6: Final answer
    x = 258,483.84

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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.