Home / 150,497.16-207,678.14-85,953.70

Finding the Fourth Proportional to 150,497.16, 207,678.14 and 85,953.70

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Solution

The fourth proportional to 150,497.16, 207,678.14 and 85,953.70 is: 118,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,497.16 : 207,678.14 = 85,953.70 : x
  2. Step 2: Convert to fraction form
    150,497.16/207,678.14 = 85,953.70/x
  3. Step 3: Cross multiply
    150,497.16x = 207,678.14 × 85,953.70
  4. Step 4: Simplify right side
    150,497.16x = 17,850,704,112.35
  5. Step 5: Solve for x
    x = 17,850,704,112.35/150,497.16
  6. Step 6: Final answer
    x = 118,611.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.