Home / 144,981.63-200,226.74-99,776.34

Finding the Fourth Proportional to 144,981.63, 200,226.74 and 99,776.34

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Solution

The fourth proportional to 144,981.63, 200,226.74 and 99,776.34 is: 137,796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,981.63 : 200,226.74 = 99,776.34 : x
  2. Step 2: Convert to fraction form
    144,981.63/200,226.74 = 99,776.34/x
  3. Step 3: Cross multiply
    144,981.63x = 200,226.74 × 99,776.34
  4. Step 4: Simplify right side
    144,981.63x = 19,977,890,788.45
  5. Step 5: Solve for x
    x = 19,977,890,788.45/144,981.63
  6. Step 6: Final answer
    x = 137,796.01

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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.