Home / 148,141.86-204,434.24-80,157.34

Finding the Fourth Proportional to 148,141.86, 204,434.24 and 80,157.34

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Solution

The fourth proportional to 148,141.86, 204,434.24 and 80,157.34 is: 110,616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,141.86 : 204,434.24 = 80,157.34 : x
  2. Step 2: Convert to fraction form
    148,141.86/204,434.24 = 80,157.34/x
  3. Step 3: Cross multiply
    148,141.86x = 204,434.24 × 80,157.34
  4. Step 4: Simplify right side
    148,141.86x = 16,386,903,460.36
  5. Step 5: Solve for x
    x = 16,386,903,460.36/148,141.86
  6. Step 6: Final answer
    x = 110,616.29

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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.