Home / 144,875.24-199,919.64-84,455.72

Finding the Fourth Proportional to 144,875.24, 199,919.64 and 84,455.72

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Solution

The fourth proportional to 144,875.24, 199,919.64 and 84,455.72 is: 116,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,875.24 : 199,919.64 = 84,455.72 : x
  2. Step 2: Convert to fraction form
    144,875.24/199,919.64 = 84,455.72/x
  3. Step 3: Cross multiply
    144,875.24x = 199,919.64 × 84,455.72
  4. Step 4: Simplify right side
    144,875.24x = 16,884,356,138.74
  5. Step 5: Solve for x
    x = 16,884,356,138.74/144,875.24
  6. Step 6: Final answer
    x = 116,544.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.