Home / 147,645.76-221,497.82-54,152.32

Finding the Fourth Proportional to 147,645.76, 221,497.82 and 54,152.32

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Solution

The fourth proportional to 147,645.76, 221,497.82 and 54,152.32 is: 81,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,645.76 : 221,497.82 = 54,152.32 : x
  2. Step 2: Convert to fraction form
    147,645.76/221,497.82 = 54,152.32/x
  3. Step 3: Cross multiply
    147,645.76x = 221,497.82 × 54,152.32
  4. Step 4: Simplify right side
    147,645.76x = 11,994,620,827.94
  5. Step 5: Solve for x
    x = 11,994,620,827.94/147,645.76
  6. Step 6: Final answer
    x = 81,239.18

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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.