Home / 118,977.16-178,193.34-59,829.64

Finding the Fourth Proportional to 118,977.16, 178,193.34 and 59,829.64

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Solution

The fourth proportional to 118,977.16, 178,193.34 and 59,829.64 is: 89,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,977.16 : 178,193.34 = 59,829.64 : x
  2. Step 2: Convert to fraction form
    118,977.16/178,193.34 = 59,829.64/x
  3. Step 3: Cross multiply
    118,977.16x = 178,193.34 × 59,829.64
  4. Step 4: Simplify right side
    118,977.16x = 10,661,243,382.60
  5. Step 5: Solve for x
    x = 10,661,243,382.60/118,977.16
  6. Step 6: Final answer
    x = 89,607.48

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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.