Home / 313,981.20-433,141.71-186,566.58

Finding the Fourth Proportional to 313,981.20, 433,141.71 and 186,566.58

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Solution

The fourth proportional to 313,981.20, 433,141.71 and 186,566.58 is: 257,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,981.20 : 433,141.71 = 186,566.58 : x
  2. Step 2: Convert to fraction form
    313,981.20/433,141.71 = 186,566.58/x
  3. Step 3: Cross multiply
    313,981.20x = 433,141.71 × 186,566.58
  4. Step 4: Simplify right side
    313,981.20x = 80,809,767,490.05
  5. Step 5: Solve for x
    x = 80,809,767,490.05/313,981.20
  6. Step 6: Final answer
    x = 257,371.36

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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.