Home / 150,070.34-207,097.36-82,087.68

Finding the Fourth Proportional to 150,070.34, 207,097.36 and 82,087.68

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Solution

The fourth proportional to 150,070.34, 207,097.36 and 82,087.68 is: 113,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,070.34 : 207,097.36 = 82,087.68 : x
  2. Step 2: Convert to fraction form
    150,070.34/207,097.36 = 82,087.68/x
  3. Step 3: Cross multiply
    150,070.34x = 207,097.36 × 82,087.68
  4. Step 4: Simplify right side
    150,070.34x = 17,000,141,816.52
  5. Step 5: Solve for x
    x = 17,000,141,816.52/150,070.34
  6. Step 6: Final answer
    x = 113,281.16

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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.