Home / 154,140.75-231,211.13-43,332.75

Finding the Fourth Proportional to 154,140.75, 231,211.13 and 43,332.75

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Solution

The fourth proportional to 154,140.75, 231,211.13 and 43,332.75 is: 64,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,140.75 : 231,211.13 = 43,332.75 : x
  2. Step 2: Convert to fraction form
    154,140.75/231,211.13 = 43,332.75/x
  3. Step 3: Cross multiply
    154,140.75x = 231,211.13 × 43,332.75
  4. Step 4: Simplify right side
    154,140.75x = 10,019,014,093.51
  5. Step 5: Solve for x
    x = 10,019,014,093.51/154,140.75
  6. Step 6: Final answer
    x = 64,999.13

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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.