Home / 144,935.20-217,424.40-51,433.12

Finding the Fourth Proportional to 144,935.20, 217,424.40 and 51,433.12

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Solution

The fourth proportional to 144,935.20, 217,424.40 and 51,433.12 is: 77,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,935.20 : 217,424.40 = 51,433.12 : x
  2. Step 2: Convert to fraction form
    144,935.20/217,424.40 = 51,433.12/x
  3. Step 3: Cross multiply
    144,935.20x = 217,424.40 × 51,433.12
  4. Step 4: Simplify right side
    144,935.20x = 11,182,815,256.13
  5. Step 5: Solve for x
    x = 11,182,815,256.13/144,935.20
  6. Step 6: Final answer
    x = 77,157.35

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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.