Home / 149,166.18-205,871.02-83,762.34

Finding the Fourth Proportional to 149,166.18, 205,871.02 and 83,762.34

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Solution

The fourth proportional to 149,166.18, 205,871.02 and 83,762.34 is: 115,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,166.18 : 205,871.02 = 83,762.34 : x
  2. Step 2: Convert to fraction form
    149,166.18/205,871.02 = 83,762.34/x
  3. Step 3: Cross multiply
    149,166.18x = 205,871.02 × 83,762.34
  4. Step 4: Simplify right side
    149,166.18x = 17,244,238,373.39
  5. Step 5: Solve for x
    x = 17,244,238,373.39/149,166.18
  6. Step 6: Final answer
    x = 115,604.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.