Home / 161,453.40-222,684.30-97,711.80

Finding the Fourth Proportional to 161,453.40, 222,684.30 and 97,711.80

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Solution

The fourth proportional to 161,453.40, 222,684.30 and 97,711.80 is: 134,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,453.40 : 222,684.30 = 97,711.80 : x
  2. Step 2: Convert to fraction form
    161,453.40/222,684.30 = 97,711.80/x
  3. Step 3: Cross multiply
    161,453.40x = 222,684.30 × 97,711.80
  4. Step 4: Simplify right side
    161,453.40x = 21,758,883,784.74
  5. Step 5: Solve for x
    x = 21,758,883,784.74/161,453.40
  6. Step 6: Final answer
    x = 134,768.82

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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.