Home / 161,089.65-222,303.96-89,467.83

Finding the Fourth Proportional to 161,089.65, 222,303.96 and 89,467.83

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Solution

The fourth proportional to 161,089.65, 222,303.96 and 89,467.83 is: 123,465.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,089.65 : 222,303.96 = 89,467.83 : x
  2. Step 2: Convert to fraction form
    161,089.65/222,303.96 = 89,467.83/x
  3. Step 3: Cross multiply
    161,089.65x = 222,303.96 × 89,467.83
  4. Step 4: Simplify right side
    161,089.65x = 19,889,052,901.61
  5. Step 5: Solve for x
    x = 19,889,052,901.61/161,089.65
  6. Step 6: Final answer
    x = 123,465.74

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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.