Home / 330,849.64-456,547.62-194,895.40

Finding the Fourth Proportional to 330,849.64, 456,547.62 and 194,895.40

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Solution

The fourth proportional to 330,849.64, 456,547.62 and 194,895.40 is: 268,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,849.64 : 456,547.62 = 194,895.40 : x
  2. Step 2: Convert to fraction form
    330,849.64/456,547.62 = 194,895.40/x
  3. Step 3: Cross multiply
    330,849.64x = 456,547.62 × 194,895.40
  4. Step 4: Simplify right side
    330,849.64x = 88,979,031,018.95
  5. Step 5: Solve for x
    x = 88,979,031,018.95/330,849.64
  6. Step 6: Final answer
    x = 268,940.99

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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.