Home / 313,617.10-432,828.68-186,293.20

Finding the Fourth Proportional to 313,617.10, 432,828.68 and 186,293.20

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Solution

The fourth proportional to 313,617.10, 432,828.68 and 186,293.20 is: 257,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,617.10 : 432,828.68 = 186,293.20 : x
  2. Step 2: Convert to fraction form
    313,617.10/432,828.68 = 186,293.20/x
  3. Step 3: Cross multiply
    313,617.10x = 432,828.68 × 186,293.20
  4. Step 4: Simplify right side
    313,617.10x = 80,633,039,848.98
  5. Step 5: Solve for x
    x = 80,633,039,848.98/313,617.10
  6. Step 6: Final answer
    x = 257,106.64

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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.