Home / 154,415.10-231,622.65-60,908.70

Finding the Fourth Proportional to 154,415.10, 231,622.65 and 60,908.70

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Solution

The fourth proportional to 154,415.10, 231,622.65 and 60,908.70 is: 91,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,415.10 : 231,622.65 = 60,908.70 : x
  2. Step 2: Convert to fraction form
    154,415.10/231,622.65 = 60,908.70/x
  3. Step 3: Cross multiply
    154,415.10x = 231,622.65 × 60,908.70
  4. Step 4: Simplify right side
    154,415.10x = 14,107,834,502.06
  5. Step 5: Solve for x
    x = 14,107,834,502.06/154,415.10
  6. Step 6: Final answer
    x = 91,363.05

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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.