Home / 304,439.31-456,649.50-144,630.25

Finding the Fourth Proportional to 304,439.31, 456,649.50 and 144,630.25

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Solution

The fourth proportional to 304,439.31, 456,649.50 and 144,630.25 is: 216,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,439.31 : 456,649.50 = 144,630.25 : x
  2. Step 2: Convert to fraction form
    304,439.31/456,649.50 = 144,630.25/x
  3. Step 3: Cross multiply
    304,439.31x = 456,649.50 × 144,630.25
  4. Step 4: Simplify right side
    304,439.31x = 66,045,331,347.38
  5. Step 5: Solve for x
    x = 66,045,331,347.38/304,439.31
  6. Step 6: Final answer
    x = 216,940.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.