Home / 150,046.20-207,083.36-86,386.68

Finding the Fourth Proportional to 150,046.20, 207,083.36 and 86,386.68

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Solution

The fourth proportional to 150,046.20, 207,083.36 and 86,386.68 is: 119,224.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,046.20 : 207,083.36 = 86,386.68 : x
  2. Step 2: Convert to fraction form
    150,046.20/207,083.36 = 86,386.68/x
  3. Step 3: Cross multiply
    150,046.20x = 207,083.36 × 86,386.68
  4. Step 4: Simplify right side
    150,046.20x = 17,889,243,953.64
  5. Step 5: Solve for x
    x = 17,889,243,953.64/150,046.20
  6. Step 6: Final answer
    x = 119,224.91

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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.