Home / 346,257.64-520,299.75-186,451.72

Finding the Fourth Proportional to 346,257.64, 520,299.75 and 186,451.72

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Solution

The fourth proportional to 346,257.64, 520,299.75 and 186,451.72 is: 280,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,257.64 : 520,299.75 = 186,451.72 : x
  2. Step 2: Convert to fraction form
    346,257.64/520,299.75 = 186,451.72/x
  3. Step 3: Cross multiply
    346,257.64x = 520,299.75 × 186,451.72
  4. Step 4: Simplify right side
    346,257.64x = 97,010,785,628.20
  5. Step 5: Solve for x
    x = 97,010,785,628.20/346,257.64
  6. Step 6: Final answer
    x = 280,169.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.