Home / 118,923.13-178,414.44-83,931.13

Finding the Fourth Proportional to 118,923.13, 178,414.44 and 83,931.13

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Solution

The fourth proportional to 118,923.13, 178,414.44 and 83,931.13 is: 125,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,923.13 : 178,414.44 = 83,931.13 : x
  2. Step 2: Convert to fraction form
    118,923.13/178,414.44 = 83,931.13/x
  3. Step 3: Cross multiply
    118,923.13x = 178,414.44 × 83,931.13
  4. Step 4: Simplify right side
    118,923.13x = 14,974,525,557.52
  5. Step 5: Solve for x
    x = 14,974,525,557.52/118,923.13
  6. Step 6: Final answer
    x = 125,917.69

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1.5x scale

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.