Home / 123,971.61-171,151.13-94,845.23

Finding the Fourth Proportional to 123,971.61, 171,151.13 and 94,845.23

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Solution

The fourth proportional to 123,971.61, 171,151.13 and 94,845.23 is: 130,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,971.61 : 171,151.13 = 94,845.23 : x
  2. Step 2: Convert to fraction form
    123,971.61/171,151.13 = 94,845.23/x
  3. Step 3: Cross multiply
    123,971.61x = 171,151.13 × 94,845.23
  4. Step 4: Simplify right side
    123,971.61x = 16,232,867,779.28
  5. Step 5: Solve for x
    x = 16,232,867,779.28/123,971.61
  6. Step 6: Final answer
    x = 130,940.20

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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.