Home / 154,680.32-231,857.28-61,057.28

Finding the Fourth Proportional to 154,680.32, 231,857.28 and 61,057.28

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Solution

The fourth proportional to 154,680.32, 231,857.28 and 61,057.28 is: 91,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,680.32 : 231,857.28 = 61,057.28 : x
  2. Step 2: Convert to fraction form
    154,680.32/231,857.28 = 61,057.28/x
  3. Step 3: Cross multiply
    154,680.32x = 231,857.28 × 61,057.28
  4. Step 4: Simplify right side
    154,680.32x = 14,156,574,865.00
  5. Step 5: Solve for x
    x = 14,156,574,865.00/154,680.32
  6. Step 6: Final answer
    x = 91,521.50

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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.