Home / 161,718.40-223,171.89-97,188.80

Finding the Fourth Proportional to 161,718.40, 223,171.89 and 97,188.80

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Solution

The fourth proportional to 161,718.40, 223,171.89 and 97,188.80 is: 134,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,718.40 : 223,171.89 = 97,188.80 : x
  2. Step 2: Convert to fraction form
    161,718.40/223,171.89 = 97,188.80/x
  3. Step 3: Cross multiply
    161,718.40x = 223,171.89 × 97,188.80
  4. Step 4: Simplify right side
    161,718.40x = 21,689,808,182.83
  5. Step 5: Solve for x
    x = 21,689,808,182.83/161,718.40
  6. Step 6: Final answer
    x = 134,120.84

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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.