Home / 115,901.57-173,626.81-85,451.24

Finding the Fourth Proportional to 115,901.57, 173,626.81 and 85,451.24

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Solution

The fourth proportional to 115,901.57, 173,626.81 and 85,451.24 is: 128,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,901.57 : 173,626.81 = 85,451.24 : x
  2. Step 2: Convert to fraction form
    115,901.57/173,626.81 = 85,451.24/x
  3. Step 3: Cross multiply
    115,901.57x = 173,626.81 × 85,451.24
  4. Step 4: Simplify right side
    115,901.57x = 14,836,626,432.18
  5. Step 5: Solve for x
    x = 14,836,626,432.18/115,901.57
  6. Step 6: Final answer
    x = 128,010.57

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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.