Home / 161,081.40-222,321.30-93,088.98

Finding the Fourth Proportional to 161,081.40, 222,321.30 and 93,088.98

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Solution

The fourth proportional to 161,081.40, 222,321.30 and 93,088.98 is: 128,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,081.40 : 222,321.30 = 93,088.98 : x
  2. Step 2: Convert to fraction form
    161,081.40/222,321.30 = 93,088.98/x
  3. Step 3: Cross multiply
    161,081.40x = 222,321.30 × 93,088.98
  4. Step 4: Simplify right side
    161,081.40x = 20,695,663,049.27
  5. Step 5: Solve for x
    x = 20,695,663,049.27/161,081.40
  6. Step 6: Final answer
    x = 128,479.53

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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.