Home / 156,850.85-234,660.40-121,041.63

Finding the Fourth Proportional to 156,850.85, 234,660.40 and 121,041.63

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Solution

The fourth proportional to 156,850.85, 234,660.40 and 121,041.63 is: 181,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,850.85 : 234,660.40 = 121,041.63 : x
  2. Step 2: Convert to fraction form
    156,850.85/234,660.40 = 121,041.63/x
  3. Step 3: Cross multiply
    156,850.85x = 234,660.40 × 121,041.63
  4. Step 4: Simplify right side
    156,850.85x = 28,403,677,009.85
  5. Step 5: Solve for x
    x = 28,403,677,009.85/156,850.85
  6. Step 6: Final answer
    x = 181,087.17

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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.