Home / 443,438.08-665,160.76-190,701.07

Finding the Fourth Proportional to 443,438.08, 665,160.76 and 190,701.07

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Solution

The fourth proportional to 443,438.08, 665,160.76 and 190,701.07 is: 286,053.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,438.08 : 665,160.76 = 190,701.07 : x
  2. Step 2: Convert to fraction form
    443,438.08/665,160.76 = 190,701.07/x
  3. Step 3: Cross multiply
    443,438.08x = 665,160.76 × 190,701.07
  4. Step 4: Simplify right side
    443,438.08x = 126,846,867,229.49
  5. Step 5: Solve for x
    x = 126,846,867,229.49/443,438.08
  6. Step 6: Final answer
    x = 286,053.17

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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.