Home / 150,763.05-208,038.27-87,099.48

Finding the Fourth Proportional to 150,763.05, 208,038.27 and 87,099.48

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Solution

The fourth proportional to 150,763.05, 208,038.27 and 87,099.48 is: 120,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,763.05 : 208,038.27 = 87,099.48 : x
  2. Step 2: Convert to fraction form
    150,763.05/208,038.27 = 87,099.48/x
  3. Step 3: Cross multiply
    150,763.05x = 208,038.27 × 87,099.48
  4. Step 4: Simplify right side
    150,763.05x = 18,120,025,137.10
  5. Step 5: Solve for x
    x = 18,120,025,137.10/150,763.05
  6. Step 6: Final answer
    x = 120,188.77

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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.