Home / 147,832.30-221,764.65-143,166.70

Finding the Fourth Proportional to 147,832.30, 221,764.65 and 143,166.70

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Solution

The fourth proportional to 147,832.30, 221,764.65 and 143,166.70 is: 214,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,832.30 : 221,764.65 = 143,166.70 : x
  2. Step 2: Convert to fraction form
    147,832.30/221,764.65 = 143,166.70/x
  3. Step 3: Cross multiply
    147,832.30x = 221,764.65 × 143,166.70
  4. Step 4: Simplify right side
    147,832.30x = 31,749,313,117.16
  5. Step 5: Solve for x
    x = 31,749,313,117.16/147,832.30
  6. Step 6: Final answer
    x = 214,765.74

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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.