Home / 251,143.40-377,006.70-144,612.20

Finding the Fourth Proportional to 251,143.40, 377,006.70 and 144,612.20

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Solution

The fourth proportional to 251,143.40, 377,006.70 and 144,612.20 is: 217,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,143.40 : 377,006.70 = 144,612.20 : x
  2. Step 2: Convert to fraction form
    251,143.40/377,006.70 = 144,612.20/x
  3. Step 3: Cross multiply
    251,143.40x = 377,006.70 × 144,612.20
  4. Step 4: Simplify right side
    251,143.40x = 54,519,768,301.74
  5. Step 5: Solve for x
    x = 54,519,768,301.74/251,143.40
  6. Step 6: Final answer
    x = 217,086.21

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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.