Home / 330,566.58-456,180.12-187,353.72

Finding the Fourth Proportional to 330,566.58, 456,180.12 and 187,353.72

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Solution

The fourth proportional to 330,566.58, 456,180.12 and 187,353.72 is: 258,547.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,566.58 : 456,180.12 = 187,353.72 : x
  2. Step 2: Convert to fraction form
    330,566.58/456,180.12 = 187,353.72/x
  3. Step 3: Cross multiply
    330,566.58x = 456,180.12 × 187,353.72
  4. Step 4: Simplify right side
    330,566.58x = 85,467,042,472.05
  5. Step 5: Solve for x
    x = 85,467,042,472.05/330,566.58
  6. Step 6: Final answer
    x = 258,547.14

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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.