Home / 143,994.30-198,667.68-93,035.40

Finding the Fourth Proportional to 143,994.30, 198,667.68 and 93,035.40

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Solution

The fourth proportional to 143,994.30, 198,667.68 and 93,035.40 is: 128,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,994.30 : 198,667.68 = 93,035.40 : x
  2. Step 2: Convert to fraction form
    143,994.30/198,667.68 = 93,035.40/x
  3. Step 3: Cross multiply
    143,994.30x = 198,667.68 × 93,035.40
  4. Step 4: Simplify right side
    143,994.30x = 18,483,127,075.87
  5. Step 5: Solve for x
    x = 18,483,127,075.87/143,994.30
  6. Step 6: Final answer
    x = 128,360.13

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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.