Home / 150,476.36-207,649.38-86,810.36

Finding the Fourth Proportional to 150,476.36, 207,649.38 and 86,810.36

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Solution

The fourth proportional to 150,476.36, 207,649.38 and 86,810.36 is: 119,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,476.36 : 207,649.38 = 86,810.36 : x
  2. Step 2: Convert to fraction form
    150,476.36/207,649.38 = 86,810.36/x
  3. Step 3: Cross multiply
    150,476.36x = 207,649.38 × 86,810.36
  4. Step 4: Simplify right side
    150,476.36x = 18,026,117,431.58
  5. Step 5: Solve for x
    x = 18,026,117,431.58/150,476.36
  6. Step 6: Final answer
    x = 119,793.68

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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.