Home / 123,441.23-170,349.11-66,852.60

Finding the Fourth Proportional to 123,441.23, 170,349.11 and 66,852.60

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Solution

The fourth proportional to 123,441.23, 170,349.11 and 66,852.60 is: 92,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,441.23 : 170,349.11 = 66,852.60 : x
  2. Step 2: Convert to fraction form
    123,441.23/170,349.11 = 66,852.60/x
  3. Step 3: Cross multiply
    123,441.23x = 170,349.11 × 66,852.60
  4. Step 4: Simplify right side
    123,441.23x = 11,388,280,911.19
  5. Step 5: Solve for x
    x = 11,388,280,911.19/123,441.23
  6. Step 6: Final answer
    x = 92,256.70

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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.