Home / 154,340.70-231,511.05-65,597.10

Finding the Fourth Proportional to 154,340.70, 231,511.05 and 65,597.10

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Solution

The fourth proportional to 154,340.70, 231,511.05 and 65,597.10 is: 98,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,340.70 : 231,511.05 = 65,597.10 : x
  2. Step 2: Convert to fraction form
    154,340.70/231,511.05 = 65,597.10/x
  3. Step 3: Cross multiply
    154,340.70x = 231,511.05 × 65,597.10
  4. Step 4: Simplify right side
    154,340.70x = 15,186,453,497.96
  5. Step 5: Solve for x
    x = 15,186,453,497.96/154,340.70
  6. Step 6: Final answer
    x = 98,395.65

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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.