Home / 118,962.66-164,220.63-83,292.54

Finding the Fourth Proportional to 118,962.66, 164,220.63 and 83,292.54

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Solution

The fourth proportional to 118,962.66, 164,220.63 and 83,292.54 is: 114,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,962.66 : 164,220.63 = 83,292.54 : x
  2. Step 2: Convert to fraction form
    118,962.66/164,220.63 = 83,292.54/x
  3. Step 3: Cross multiply
    118,962.66x = 164,220.63 × 83,292.54
  4. Step 4: Simplify right side
    118,962.66x = 13,678,353,393.10
  5. Step 5: Solve for x
    x = 13,678,353,393.10/118,962.66
  6. Step 6: Final answer
    x = 114,980.22

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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.