Home / 147,789.93-221,499-63,450.30

Finding the Fourth Proportional to 147,789.93, 221,499 and 63,450.30

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Solution

The fourth proportional to 147,789.93, 221,499 and 63,450.30 is: 95,095.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,789.93 : 221,499 = 63,450.30 : x
  2. Step 2: Convert to fraction form
    147,789.93/221,499 = 63,450.30/x
  3. Step 3: Cross multiply
    147,789.93x = 221,499 × 63,450.30
  4. Step 4: Simplify right side
    147,789.93x = 14,054,177,999.70
  5. Step 5: Solve for x
    x = 14,054,177,999.70/147,789.93
  6. Step 6: Final answer
    x = 95,095.64

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1.5x scale

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.