Home / 168,421.03-232,421.44-91,940.18

Finding the Fourth Proportional to 168,421.03, 232,421.44 and 91,940.18

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Solution

The fourth proportional to 168,421.03, 232,421.44 and 91,940.18 is: 126,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,421.03 : 232,421.44 = 91,940.18 : x
  2. Step 2: Convert to fraction form
    168,421.03/232,421.44 = 91,940.18/x
  3. Step 3: Cross multiply
    168,421.03x = 232,421.44 × 91,940.18
  4. Step 4: Simplify right side
    168,421.03x = 21,368,868,264.02
  5. Step 5: Solve for x
    x = 21,368,868,264.02/168,421.03
  6. Step 6: Final answer
    x = 126,877.67

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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.