Home / 145,240.44-217,767.42-56,399.28

Finding the Fourth Proportional to 145,240.44, 217,767.42 and 56,399.28

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Solution

The fourth proportional to 145,240.44, 217,767.42 and 56,399.28 is: 84,562.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,240.44 : 217,767.42 = 56,399.28 : x
  2. Step 2: Convert to fraction form
    145,240.44/217,767.42 = 56,399.28/x
  3. Step 3: Cross multiply
    145,240.44x = 217,767.42 × 56,399.28
  4. Step 4: Simplify right side
    145,240.44x = 12,281,925,695.46
  5. Step 5: Solve for x
    x = 12,281,925,695.46/145,240.44
  6. Step 6: Final answer
    x = 84,562.71

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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.