Home / 118,669.64-177,807.90-83,437.16

Finding the Fourth Proportional to 118,669.64, 177,807.90 and 83,437.16

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Solution

The fourth proportional to 118,669.64, 177,807.90 and 83,437.16 is: 125,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,669.64 : 177,807.90 = 83,437.16 : x
  2. Step 2: Convert to fraction form
    118,669.64/177,807.90 = 83,437.16/x
  3. Step 3: Cross multiply
    118,669.64x = 177,807.90 × 83,437.16
  4. Step 4: Simplify right side
    118,669.64x = 14,835,786,201.56
  5. Step 5: Solve for x
    x = 14,835,786,201.56/118,669.64
  6. Step 6: Final answer
    x = 125,017.54

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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.