Home / 161,439.90-222,665.67-97,698.30

Finding the Fourth Proportional to 161,439.90, 222,665.67 and 97,698.30

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Solution

The fourth proportional to 161,439.90, 222,665.67 and 97,698.30 is: 134,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,439.90 : 222,665.67 = 97,698.30 : x
  2. Step 2: Convert to fraction form
    161,439.90/222,665.67 = 97,698.30/x
  3. Step 3: Cross multiply
    161,439.90x = 222,665.67 × 97,698.30
  4. Step 4: Simplify right side
    161,439.90x = 21,754,057,427.36
  5. Step 5: Solve for x
    x = 21,754,057,427.36/161,439.90
  6. Step 6: Final answer
    x = 134,750.19

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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.