Home / 150,053.58-207,126.09-86,416.74

Finding the Fourth Proportional to 150,053.58, 207,126.09 and 86,416.74

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Solution

The fourth proportional to 150,053.58, 207,126.09 and 86,416.74 is: 119,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,053.58 : 207,126.09 = 86,416.74 : x
  2. Step 2: Convert to fraction form
    150,053.58/207,126.09 = 86,416.74/x
  3. Step 3: Cross multiply
    150,053.58x = 207,126.09 × 86,416.74
  4. Step 4: Simplify right side
    150,053.58x = 17,899,161,466.75
  5. Step 5: Solve for x
    x = 17,899,161,466.75/150,053.58
  6. Step 6: Final answer
    x = 119,285.13

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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.