Home / 158,849.66-219,232.30-90,857.22

Finding the Fourth Proportional to 158,849.66, 219,232.30 and 90,857.22

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Solution

The fourth proportional to 158,849.66, 219,232.30 and 90,857.22 is: 125,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,849.66 : 219,232.30 = 90,857.22 : x
  2. Step 2: Convert to fraction form
    158,849.66/219,232.30 = 90,857.22/x
  3. Step 3: Cross multiply
    158,849.66x = 219,232.30 × 90,857.22
  4. Step 4: Simplify right side
    158,849.66x = 19,918,837,312.21
  5. Step 5: Solve for x
    x = 19,918,837,312.21/158,849.66
  6. Step 6: Final answer
    x = 125,394.27

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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.