Home / 105,232.14-158,558.66-86,922.40

Finding the Fourth Proportional to 105,232.14, 158,558.66 and 86,922.40

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Solution

The fourth proportional to 105,232.14, 158,558.66 and 86,922.40 is: 130,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,232.14 : 158,558.66 = 86,922.40 : x
  2. Step 2: Convert to fraction form
    105,232.14/158,558.66 = 86,922.40/x
  3. Step 3: Cross multiply
    105,232.14x = 158,558.66 × 86,922.40
  4. Step 4: Simplify right side
    105,232.14x = 13,782,299,267.98
  5. Step 5: Solve for x
    x = 13,782,299,267.98/105,232.14
  6. Step 6: Final answer
    x = 130,970.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.