Home / 159,526.54-220,156.42-87,906.52

Finding the Fourth Proportional to 159,526.54, 220,156.42 and 87,906.52

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Solution

The fourth proportional to 159,526.54, 220,156.42 and 87,906.52 is: 121,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,526.54 : 220,156.42 = 87,906.52 : x
  2. Step 2: Convert to fraction form
    159,526.54/220,156.42 = 87,906.52/x
  3. Step 3: Cross multiply
    159,526.54x = 220,156.42 × 87,906.52
  4. Step 4: Simplify right side
    159,526.54x = 19,353,184,737.86
  5. Step 5: Solve for x
    x = 19,353,184,737.86/159,526.54
  6. Step 6: Final answer
    x = 121,316.39

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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.