Home / 118,415.28-177,620.39-38,453.16

Finding the Fourth Proportional to 118,415.28, 177,620.39 and 38,453.16

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Solution

The fourth proportional to 118,415.28, 177,620.39 and 38,453.16 is: 57,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,415.28 : 177,620.39 = 38,453.16 : x
  2. Step 2: Convert to fraction form
    118,415.28/177,620.39 = 38,453.16/x
  3. Step 3: Cross multiply
    118,415.28x = 177,620.39 × 38,453.16
  4. Step 4: Simplify right side
    118,415.28x = 6,830,065,275.93
  5. Step 5: Solve for x
    x = 6,830,065,275.93/118,415.28
  6. Step 6: Final answer
    x = 57,678.92

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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.