Home / 144,864.81-199,925.33-81,193.77

Finding the Fourth Proportional to 144,864.81, 199,925.33 and 81,193.77

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Solution

The fourth proportional to 144,864.81, 199,925.33 and 81,193.77 is: 112,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,864.81 : 199,925.33 = 81,193.77 : x
  2. Step 2: Convert to fraction form
    144,864.81/199,925.33 = 81,193.77/x
  3. Step 3: Cross multiply
    144,864.81x = 199,925.33 × 81,193.77
  4. Step 4: Simplify right side
    144,864.81x = 16,232,690,855.23
  5. Step 5: Solve for x
    x = 16,232,690,855.23/144,864.81
  6. Step 6: Final answer
    x = 112,054.07

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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.