Home / 147,701.80-221,261.10-88,361.20

Finding the Fourth Proportional to 147,701.80, 221,261.10 and 88,361.20

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Solution

The fourth proportional to 147,701.80, 221,261.10 and 88,361.20 is: 132,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,701.80 : 221,261.10 = 88,361.20 : x
  2. Step 2: Convert to fraction form
    147,701.80/221,261.10 = 88,361.20/x
  3. Step 3: Cross multiply
    147,701.80x = 221,261.10 × 88,361.20
  4. Step 4: Simplify right side
    147,701.80x = 19,550,896,309.32
  5. Step 5: Solve for x
    x = 19,550,896,309.32/147,701.80
  6. Step 6: Final answer
    x = 132,367.35

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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.