Home / 154,417.86-231,664.50-49,236.84

Finding the Fourth Proportional to 154,417.86, 231,664.50 and 49,236.84

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Solution

The fourth proportional to 154,417.86, 231,664.50 and 49,236.84 is: 73,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,417.86 : 231,664.50 = 49,236.84 : x
  2. Step 2: Convert to fraction form
    154,417.86/231,664.50 = 49,236.84/x
  3. Step 3: Cross multiply
    154,417.86x = 231,664.50 × 49,236.84
  4. Step 4: Simplify right side
    154,417.86x = 11,406,427,920.18
  5. Step 5: Solve for x
    x = 11,406,427,920.18/154,417.86
  6. Step 6: Final answer
    x = 73,867.28

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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.