Home / 147,908.30-221,570.85-88,567.70

Finding the Fourth Proportional to 147,908.30, 221,570.85 and 88,567.70

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Solution

The fourth proportional to 147,908.30, 221,570.85 and 88,567.70 is: 132,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,908.30 : 221,570.85 = 88,567.70 : x
  2. Step 2: Convert to fraction form
    147,908.30/221,570.85 = 88,567.70/x
  3. Step 3: Cross multiply
    147,908.30x = 221,570.85 × 88,567.70
  4. Step 4: Simplify right side
    147,908.30x = 19,624,020,571.55
  5. Step 5: Solve for x
    x = 19,624,020,571.55/147,908.30
  6. Step 6: Final answer
    x = 132,676.94

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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.