Home / 147,744.20-221,486.70-88,603.40

Finding the Fourth Proportional to 147,744.20, 221,486.70 and 88,603.40

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Solution

The fourth proportional to 147,744.20, 221,486.70 and 88,603.40 is: 132,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744.20 : 221,486.70 = 88,603.40 : x
  2. Step 2: Convert to fraction form
    147,744.20/221,486.70 = 88,603.40/x
  3. Step 3: Cross multiply
    147,744.20x = 221,486.70 × 88,603.40
  4. Step 4: Simplify right side
    147,744.20x = 19,624,474,674.78
  5. Step 5: Solve for x
    x = 19,624,474,674.78/147,744.20
  6. Step 6: Final answer
    x = 132,827.38

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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.