Home / 292,763.28-439,145.07-82,401.21

Finding the Fourth Proportional to 292,763.28, 439,145.07 and 82,401.21

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Solution

The fourth proportional to 292,763.28, 439,145.07 and 82,401.21 is: 123,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,763.28 : 439,145.07 = 82,401.21 : x
  2. Step 2: Convert to fraction form
    292,763.28/439,145.07 = 82,401.21/x
  3. Step 3: Cross multiply
    292,763.28x = 439,145.07 × 82,401.21
  4. Step 4: Simplify right side
    292,763.28x = 36,186,085,133.53
  5. Step 5: Solve for x
    x = 36,186,085,133.53/292,763.28
  6. Step 6: Final answer
    x = 123,601.86

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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.