Home / 147,005.97-220,560.79-53,521.17

Finding the Fourth Proportional to 147,005.97, 220,560.79 and 53,521.17

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Solution

The fourth proportional to 147,005.97, 220,560.79 and 53,521.17 is: 80,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,005.97 : 220,560.79 = 53,521.17 : x
  2. Step 2: Convert to fraction form
    147,005.97/220,560.79 = 53,521.17/x
  3. Step 3: Cross multiply
    147,005.97x = 220,560.79 × 53,521.17
  4. Step 4: Simplify right side
    147,005.97x = 11,804,671,536.92
  5. Step 5: Solve for x
    x = 11,804,671,536.92/147,005.97
  6. Step 6: Final answer
    x = 80,300.63

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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.