Home / 161,871.03-223,323.45-93,850.55

Finding the Fourth Proportional to 161,871.03, 223,323.45 and 93,850.55

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Solution

The fourth proportional to 161,871.03, 223,323.45 and 93,850.55 is: 129,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,871.03 : 223,323.45 = 93,850.55 : x
  2. Step 2: Convert to fraction form
    161,871.03/223,323.45 = 93,850.55/x
  3. Step 3: Cross multiply
    161,871.03x = 223,323.45 × 93,850.55
  4. Step 4: Simplify right side
    161,871.03x = 20,959,028,771.17
  5. Step 5: Solve for x
    x = 20,959,028,771.17/161,871.03
  6. Step 6: Final answer
    x = 129,479.80

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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.