Home / 161,011.62-222,184.94-89,386.08

Finding the Fourth Proportional to 161,011.62, 222,184.94 and 89,386.08

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Solution

The fourth proportional to 161,011.62, 222,184.94 and 89,386.08 is: 123,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,011.62 : 222,184.94 = 89,386.08 : x
  2. Step 2: Convert to fraction form
    161,011.62/222,184.94 = 89,386.08/x
  3. Step 3: Cross multiply
    161,011.62x = 222,184.94 × 89,386.08
  4. Step 4: Simplify right side
    161,011.62x = 19,860,240,821.64
  5. Step 5: Solve for x
    x = 19,860,240,821.64/161,011.62
  6. Step 6: Final answer
    x = 123,346.63

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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.