Home / 123,314.04-170,173.44-66,725.52

Finding the Fourth Proportional to 123,314.04, 170,173.44 and 66,725.52

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Solution

The fourth proportional to 123,314.04, 170,173.44 and 66,725.52 is: 92,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,314.04 : 170,173.44 = 66,725.52 : x
  2. Step 2: Convert to fraction form
    123,314.04/170,173.44 = 66,725.52/x
  3. Step 3: Cross multiply
    123,314.04x = 170,173.44 × 66,725.52
  4. Step 4: Simplify right side
    123,314.04x = 11,354,911,274.19
  5. Step 5: Solve for x
    x = 11,354,911,274.19/123,314.04
  6. Step 6: Final answer
    x = 92,081.25

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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.