Home / 313,622.10-432,835.58-186,298.20

Finding the Fourth Proportional to 313,622.10, 432,835.58 and 186,298.20

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Solution

The fourth proportional to 313,622.10, 432,835.58 and 186,298.20 is: 257,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,622.10 : 432,835.58 = 186,298.20 : x
  2. Step 2: Convert to fraction form
    313,622.10/432,835.58 = 186,298.20/x
  3. Step 3: Cross multiply
    313,622.10x = 432,835.58 × 186,298.20
  4. Step 4: Simplify right side
    313,622.10x = 80,636,489,449.96
  5. Step 5: Solve for x
    x = 80,636,489,449.96/313,622.10
  6. Step 6: Final answer
    x = 257,113.54

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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.