Home / 161,660.36-223,098.22-90,040.40

Finding the Fourth Proportional to 161,660.36, 223,098.22 and 90,040.40

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Solution

The fourth proportional to 161,660.36, 223,098.22 and 90,040.40 is: 124,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,660.36 : 223,098.22 = 90,040.40 : x
  2. Step 2: Convert to fraction form
    161,660.36/223,098.22 = 90,040.40/x
  3. Step 3: Cross multiply
    161,660.36x = 223,098.22 × 90,040.40
  4. Step 4: Simplify right side
    161,660.36x = 20,087,852,968.09
  5. Step 5: Solve for x
    x = 20,087,852,968.09/161,660.36
  6. Step 6: Final answer
    x = 124,259.61

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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.