Home / 124,815.80-187,223.70-118,983.80

Finding the Fourth Proportional to 124,815.80, 187,223.70 and 118,983.80

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Solution

The fourth proportional to 124,815.80, 187,223.70 and 118,983.80 is: 178,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,815.80 : 187,223.70 = 118,983.80 : x
  2. Step 2: Convert to fraction form
    124,815.80/187,223.70 = 118,983.80/x
  3. Step 3: Cross multiply
    124,815.80x = 187,223.70 × 118,983.80
  4. Step 4: Simplify right side
    124,815.80x = 22,276,587,276.06
  5. Step 5: Solve for x
    x = 22,276,587,276.06/124,815.80
  6. Step 6: Final answer
    x = 178,475.70

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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.