Home / 161,439.42-222,782.93-93,459.27

Finding the Fourth Proportional to 161,439.42, 222,782.93 and 93,459.27

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Solution

The fourth proportional to 161,439.42, 222,782.93 and 93,459.27 is: 128,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,439.42 : 222,782.93 = 93,459.27 : x
  2. Step 2: Convert to fraction form
    161,439.42/222,782.93 = 93,459.27/x
  3. Step 3: Cross multiply
    161,439.42x = 222,782.93 × 93,459.27
  4. Step 4: Simplify right side
    161,439.42x = 20,821,129,538.96
  5. Step 5: Solve for x
    x = 20,821,129,538.96/161,439.42
  6. Step 6: Final answer
    x = 128,971.78

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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.