Home / 154,607.88-231,908.80-49,426.76

Finding the Fourth Proportional to 154,607.88, 231,908.80 and 49,426.76

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Solution

The fourth proportional to 154,607.88, 231,908.80 and 49,426.76 is: 74,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,607.88 : 231,908.80 = 49,426.76 : x
  2. Step 2: Convert to fraction form
    154,607.88/231,908.80 = 49,426.76/x
  3. Step 3: Cross multiply
    154,607.88x = 231,908.80 × 49,426.76
  4. Step 4: Simplify right side
    154,607.88x = 11,462,500,599.49
  5. Step 5: Solve for x
    x = 11,462,500,599.49/154,607.88
  6. Step 6: Final answer
    x = 74,139.17

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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.