Home / 154,009.45-231,036.35-47,402.52

Finding the Fourth Proportional to 154,009.45, 231,036.35 and 47,402.52

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Solution

The fourth proportional to 154,009.45, 231,036.35 and 47,402.52 is: 71,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,009.45 : 231,036.35 = 47,402.52 : x
  2. Step 2: Convert to fraction form
    154,009.45/231,036.35 = 47,402.52/x
  3. Step 3: Cross multiply
    154,009.45x = 231,036.35 × 47,402.52
  4. Step 4: Simplify right side
    154,009.45x = 10,951,704,364.84
  5. Step 5: Solve for x
    x = 10,951,704,364.84/154,009.45
  6. Step 6: Final answer
    x = 71,110.60

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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.