Home / 118,170.23-163,287.29-89,826.71

Finding the Fourth Proportional to 118,170.23, 163,287.29 and 89,826.71

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Solution

The fourth proportional to 118,170.23, 163,287.29 and 89,826.71 is: 124,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,170.23 : 163,287.29 = 89,826.71 : x
  2. Step 2: Convert to fraction form
    118,170.23/163,287.29 = 89,826.71/x
  3. Step 3: Cross multiply
    118,170.23x = 163,287.29 × 89,826.71
  4. Step 4: Simplify right side
    118,170.23x = 14,667,559,453.65
  5. Step 5: Solve for x
    x = 14,667,559,453.65/118,170.23
  6. Step 6: Final answer
    x = 124,122.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.